Home / 3,125.69-4,690.41-1,251.24

Finding the Fourth Proportional to 3,125.69, 4,690.41 and 1,251.24

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Solution

The fourth proportional to 3,125.69, 4,690.41 and 1,251.24 is: 1,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.69 : 4,690.41 = 1,251.24 : x
  2. Step 2: Convert to fraction form
    3,125.69/4,690.41 = 1,251.24/x
  3. Step 3: Cross multiply
    3,125.69x = 4,690.41 × 1,251.24
  4. Step 4: Simplify right side
    3,125.69x = 5,868,828.61
  5. Step 5: Solve for x
    x = 5,868,828.61/3,125.69
  6. Step 6: Final answer
    x = 1,877.61

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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.