Home / 2,972.41-4,455.31-1,508.55

Finding the Fourth Proportional to 2,972.41, 4,455.31 and 1,508.55

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Solution

The fourth proportional to 2,972.41, 4,455.31 and 1,508.55 is: 2,261.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.41 : 4,455.31 = 1,508.55 : x
  2. Step 2: Convert to fraction form
    2,972.41/4,455.31 = 1,508.55/x
  3. Step 3: Cross multiply
    2,972.41x = 4,455.31 × 1,508.55
  4. Step 4: Simplify right side
    2,972.41x = 6,721,057.90
  5. Step 5: Solve for x
    x = 6,721,057.90/2,972.41
  6. Step 6: Final answer
    x = 2,261.15

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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.