Home / 2,652.17-3,980.68-1,354.55

Finding the Fourth Proportional to 2,652.17, 3,980.68 and 1,354.55

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Solution

The fourth proportional to 2,652.17, 3,980.68 and 1,354.55 is: 2,033.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.17 : 3,980.68 = 1,354.55 : x
  2. Step 2: Convert to fraction form
    2,652.17/3,980.68 = 1,354.55/x
  3. Step 3: Cross multiply
    2,652.17x = 3,980.68 × 1,354.55
  4. Step 4: Simplify right side
    2,652.17x = 5,392,006.80
  5. Step 5: Solve for x
    x = 5,392,006.80/2,652.17
  6. Step 6: Final answer
    x = 2,033.06

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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.