Home / 3,788.20-5,651.87-3,372.40

Finding the Fourth Proportional to 3,788.20, 5,651.87 and 3,372.40

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Solution

The fourth proportional to 3,788.20, 5,651.87 and 3,372.40 is: 5,031.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.20 : 5,651.87 = 3,372.40 : x
  2. Step 2: Convert to fraction form
    3,788.20/5,651.87 = 3,372.40/x
  3. Step 3: Cross multiply
    3,788.20x = 5,651.87 × 3,372.40
  4. Step 4: Simplify right side
    3,788.20x = 19,060,366.39
  5. Step 5: Solve for x
    x = 19,060,366.39/3,788.20
  6. Step 6: Final answer
    x = 5,031.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.