Home / 1,554.28-2,332.32-629.68

Finding the Fourth Proportional to 1,554.28, 2,332.32 and 629.68

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Solution

The fourth proportional to 1,554.28, 2,332.32 and 629.68 is: 944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.28 : 2,332.32 = 629.68 : x
  2. Step 2: Convert to fraction form
    1,554.28/2,332.32 = 629.68/x
  3. Step 3: Cross multiply
    1,554.28x = 2,332.32 × 629.68
  4. Step 4: Simplify right side
    1,554.28x = 1,468,615.26
  5. Step 5: Solve for x
    x = 1,468,615.26/1,554.28
  6. Step 6: Final answer
    x = 944.88

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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.