Home / 2,637.15-3,948.42-1,335.90

Finding the Fourth Proportional to 2,637.15, 3,948.42 and 1,335.90

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Solution

The fourth proportional to 2,637.15, 3,948.42 and 1,335.90 is: 2,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.15 : 3,948.42 = 1,335.90 : x
  2. Step 2: Convert to fraction form
    2,637.15/3,948.42 = 1,335.90/x
  3. Step 3: Cross multiply
    2,637.15x = 3,948.42 × 1,335.90
  4. Step 4: Simplify right side
    2,637.15x = 5,274,694.28
  5. Step 5: Solve for x
    x = 5,274,694.28/2,637.15
  6. Step 6: Final answer
    x = 2,000.15

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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.