Home / 1,557.66-2,337.65-736.18

Finding the Fourth Proportional to 1,557.66, 2,337.65 and 736.18

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Solution

The fourth proportional to 1,557.66, 2,337.65 and 736.18 is: 1,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.66 : 2,337.65 = 736.18 : x
  2. Step 2: Convert to fraction form
    1,557.66/2,337.65 = 736.18/x
  3. Step 3: Cross multiply
    1,557.66x = 2,337.65 × 736.18
  4. Step 4: Simplify right side
    1,557.66x = 1,720,933.34
  5. Step 5: Solve for x
    x = 1,720,933.34/1,557.66
  6. Step 6: Final answer
    x = 1,104.82

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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.