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Finding the Fourth Proportional to 2,233.04, 3,349.98 and 772.40

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Solution

The fourth proportional to 2,233.04, 3,349.98 and 772.40 is: 1,158.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.04 : 3,349.98 = 772.40 : x
  2. Step 2: Convert to fraction form
    2,233.04/3,349.98 = 772.40/x
  3. Step 3: Cross multiply
    2,233.04x = 3,349.98 × 772.40
  4. Step 4: Simplify right side
    2,233.04x = 2,587,524.55
  5. Step 5: Solve for x
    x = 2,587,524.55/2,233.04
  6. Step 6: Final answer
    x = 1,158.75

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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.