Home / 2,638.38-3,955.20-2,410.08

Finding the Fourth Proportional to 2,638.38, 3,955.20 and 2,410.08

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Solution

The fourth proportional to 2,638.38, 3,955.20 and 2,410.08 is: 3,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,638.38 : 3,955.20 = 2,410.08 : x
  2. Step 2: Convert to fraction form
    2,638.38/3,955.20 = 2,410.08/x
  3. Step 3: Cross multiply
    2,638.38x = 3,955.20 × 2,410.08
  4. Step 4: Simplify right side
    2,638.38x = 9,532,348.42
  5. Step 5: Solve for x
    x = 9,532,348.42/2,638.38
  6. Step 6: Final answer
    x = 3,612.96

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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.