Home / 3,624.78-5,437.17-3,440.10

Finding the Fourth Proportional to 3,624.78, 5,437.17 and 3,440.10

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Solution

The fourth proportional to 3,624.78, 5,437.17 and 3,440.10 is: 5,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.78 : 5,437.17 = 3,440.10 : x
  2. Step 2: Convert to fraction form
    3,624.78/5,437.17 = 3,440.10/x
  3. Step 3: Cross multiply
    3,624.78x = 5,437.17 × 3,440.10
  4. Step 4: Simplify right side
    3,624.78x = 18,704,408.52
  5. Step 5: Solve for x
    x = 18,704,408.52/3,624.78
  6. Step 6: Final answer
    x = 5,160.15

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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.