Home / 1,625.43-2,244.12-1,251.71

Finding the Fourth Proportional to 1,625.43, 2,244.12 and 1,251.71

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Solution

The fourth proportional to 1,625.43, 2,244.12 and 1,251.71 is: 1,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625.43 : 2,244.12 = 1,251.71 : x
  2. Step 2: Convert to fraction form
    1,625.43/2,244.12 = 1,251.71/x
  3. Step 3: Cross multiply
    1,625.43x = 2,244.12 × 1,251.71
  4. Step 4: Simplify right side
    1,625.43x = 2,808,987.45
  5. Step 5: Solve for x
    x = 2,808,987.45/1,625.43
  6. Step 6: Final answer
    x = 1,728.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.