Home / 3,680.88-5,519.49-1,572.18

Finding the Fourth Proportional to 3,680.88, 5,519.49 and 1,572.18

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Solution

The fourth proportional to 3,680.88, 5,519.49 and 1,572.18 is: 2,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.88 : 5,519.49 = 1,572.18 : x
  2. Step 2: Convert to fraction form
    3,680.88/5,519.49 = 1,572.18/x
  3. Step 3: Cross multiply
    3,680.88x = 5,519.49 × 1,572.18
  4. Step 4: Simplify right side
    3,680.88x = 8,677,631.79
  5. Step 5: Solve for x
    x = 8,677,631.79/3,680.88
  6. Step 6: Final answer
    x = 2,357.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.