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Finding the Fourth Proportional to 2,226.16, 3,339.63 and 993.55

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Solution

The fourth proportional to 2,226.16, 3,339.63 and 993.55 is: 1,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.16 : 3,339.63 = 993.55 : x
  2. Step 2: Convert to fraction form
    2,226.16/3,339.63 = 993.55/x
  3. Step 3: Cross multiply
    2,226.16x = 3,339.63 × 993.55
  4. Step 4: Simplify right side
    2,226.16x = 3,318,089.39
  5. Step 5: Solve for x
    x = 3,318,089.39/2,226.16
  6. Step 6: Final answer
    x = 1,490.50

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.