Home / 2,220.07-3,062.49-1,432.75

Finding the Fourth Proportional to 2,220.07, 3,062.49 and 1,432.75

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Solution

The fourth proportional to 2,220.07, 3,062.49 and 1,432.75 is: 1,976.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.07 : 3,062.49 = 1,432.75 : x
  2. Step 2: Convert to fraction form
    2,220.07/3,062.49 = 1,432.75/x
  3. Step 3: Cross multiply
    2,220.07x = 3,062.49 × 1,432.75
  4. Step 4: Simplify right side
    2,220.07x = 4,387,782.55
  5. Step 5: Solve for x
    x = 4,387,782.55/2,220.07
  6. Step 6: Final answer
    x = 1,976.42

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Half scale
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Double scale
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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.