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Finding the Fourth Proportional to 1,655.68, 2,486.76 and 1,552

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Solution

The fourth proportional to 1,655.68, 2,486.76 and 1,552 is: 2,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655.68 : 2,486.76 = 1,552 : x
  2. Step 2: Convert to fraction form
    1,655.68/2,486.76 = 1,552/x
  3. Step 3: Cross multiply
    1,655.68x = 2,486.76 × 1,552
  4. Step 4: Simplify right side
    1,655.68x = 3,859,451.52
  5. Step 5: Solve for x
    x = 3,859,451.52/1,655.68
  6. Step 6: Final answer
    x = 2,331.04

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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.