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Finding the Fourth Proportional to 2,225.56, 3,339.10 and 993.82

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Solution

The fourth proportional to 2,225.56, 3,339.10 and 993.82 is: 1,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225.56 : 3,339.10 = 993.82 : x
  2. Step 2: Convert to fraction form
    2,225.56/3,339.10 = 993.82/x
  3. Step 3: Cross multiply
    2,225.56x = 3,339.10 × 993.82
  4. Step 4: Simplify right side
    2,225.56x = 3,318,447.67
  5. Step 5: Solve for x
    x = 3,318,447.67/2,225.56
  6. Step 6: Final answer
    x = 1,491.07

Related Problems

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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.