Home / 1,554.23-2,332.15-629.88

Finding the Fourth Proportional to 1,554.23, 2,332.15 and 629.88

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Solution

The fourth proportional to 1,554.23, 2,332.15 and 629.88 is: 945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.23 : 2,332.15 = 629.88 : x
  2. Step 2: Convert to fraction form
    1,554.23/2,332.15 = 629.88/x
  3. Step 3: Cross multiply
    1,554.23x = 2,332.15 × 629.88
  4. Step 4: Simplify right side
    1,554.23x = 1,468,974.64
  5. Step 5: Solve for x
    x = 1,468,974.64/1,554.23
  6. Step 6: Final answer
    x = 945.15

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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.