Home / 4,044.05-5,580.38-2,275.61

Finding the Fourth Proportional to 4,044.05, 5,580.38 and 2,275.61

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Solution

The fourth proportional to 4,044.05, 5,580.38 and 2,275.61 is: 3,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,044.05 : 5,580.38 = 2,275.61 : x
  2. Step 2: Convert to fraction form
    4,044.05/5,580.38 = 2,275.61/x
  3. Step 3: Cross multiply
    4,044.05x = 5,580.38 × 2,275.61
  4. Step 4: Simplify right side
    4,044.05x = 12,698,729.25
  5. Step 5: Solve for x
    x = 12,698,729.25/4,044.05
  6. Step 6: Final answer
    x = 3,140.11

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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.