Home / 3,677.92-5,515.44-1,337.20

Finding the Fourth Proportional to 3,677.92, 5,515.44 and 1,337.20

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Solution

The fourth proportional to 3,677.92, 5,515.44 and 1,337.20 is: 2,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.92 : 5,515.44 = 1,337.20 : x
  2. Step 2: Convert to fraction form
    3,677.92/5,515.44 = 1,337.20/x
  3. Step 3: Cross multiply
    3,677.92x = 5,515.44 × 1,337.20
  4. Step 4: Simplify right side
    3,677.92x = 7,375,246.37
  5. Step 5: Solve for x
    x = 7,375,246.37/3,677.92
  6. Step 6: Final answer
    x = 2,005.28

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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.