Home / 1,480.26-2,220.30-614.58

Finding the Fourth Proportional to 1,480.26, 2,220.30 and 614.58

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Solution

The fourth proportional to 1,480.26, 2,220.30 and 614.58 is: 921.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480.26 : 2,220.30 = 614.58 : x
  2. Step 2: Convert to fraction form
    1,480.26/2,220.30 = 614.58/x
  3. Step 3: Cross multiply
    1,480.26x = 2,220.30 × 614.58
  4. Step 4: Simplify right side
    1,480.26x = 1,364,551.97
  5. Step 5: Solve for x
    x = 1,364,551.97/1,480.26
  6. Step 6: Final answer
    x = 921.83

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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.