Home / 1,250.04-1,864.94-1,125.49

Finding the Fourth Proportional to 1,250.04, 1,864.94 and 1,125.49

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Solution

The fourth proportional to 1,250.04, 1,864.94 and 1,125.49 is: 1,679.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.04 : 1,864.94 = 1,125.49 : x
  2. Step 2: Convert to fraction form
    1,250.04/1,864.94 = 1,125.49/x
  3. Step 3: Cross multiply
    1,250.04x = 1,864.94 × 1,125.49
  4. Step 4: Simplify right side
    1,250.04x = 2,098,962.00
  5. Step 5: Solve for x
    x = 2,098,962.00/1,250.04
  6. Step 6: Final answer
    x = 1,679.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.