Home / 2,414.60-3,621.90-1,440.20

Finding the Fourth Proportional to 2,414.60, 3,621.90 and 1,440.20

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Solution

The fourth proportional to 2,414.60, 3,621.90 and 1,440.20 is: 2,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.60 : 3,621.90 = 1,440.20 : x
  2. Step 2: Convert to fraction form
    2,414.60/3,621.90 = 1,440.20/x
  3. Step 3: Cross multiply
    2,414.60x = 3,621.90 × 1,440.20
  4. Step 4: Simplify right side
    2,414.60x = 5,216,260.38
  5. Step 5: Solve for x
    x = 5,216,260.38/2,414.60
  6. Step 6: Final answer
    x = 2,160.30

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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.