Home / 3,628.83-5,432.31-2,392.38

Finding the Fourth Proportional to 3,628.83, 5,432.31 and 2,392.38

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Solution

The fourth proportional to 3,628.83, 5,432.31 and 2,392.38 is: 3,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.83 : 5,432.31 = 2,392.38 : x
  2. Step 2: Convert to fraction form
    3,628.83/5,432.31 = 2,392.38/x
  3. Step 3: Cross multiply
    3,628.83x = 5,432.31 × 2,392.38
  4. Step 4: Simplify right side
    3,628.83x = 12,996,149.80
  5. Step 5: Solve for x
    x = 12,996,149.80/3,628.83
  6. Step 6: Final answer
    x = 3,581.36

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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.