Home / 1,125.07-1,685.27-951.13

Finding the Fourth Proportional to 1,125.07, 1,685.27 and 951.13

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Solution

The fourth proportional to 1,125.07, 1,685.27 and 951.13 is: 1,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125.07 : 1,685.27 = 951.13 : x
  2. Step 2: Convert to fraction form
    1,125.07/1,685.27 = 951.13/x
  3. Step 3: Cross multiply
    1,125.07x = 1,685.27 × 951.13
  4. Step 4: Simplify right side
    1,125.07x = 1,602,897.67
  5. Step 5: Solve for x
    x = 1,602,897.67/1,125.07
  6. Step 6: Final answer
    x = 1,424.72

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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.