Home / 3,154.02-4,721.31-2,531.94

Finding the Fourth Proportional to 3,154.02, 4,721.31 and 2,531.94

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Solution

The fourth proportional to 3,154.02, 4,721.31 and 2,531.94 is: 3,790.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.02 : 4,721.31 = 2,531.94 : x
  2. Step 2: Convert to fraction form
    3,154.02/4,721.31 = 2,531.94/x
  3. Step 3: Cross multiply
    3,154.02x = 4,721.31 × 2,531.94
  4. Step 4: Simplify right side
    3,154.02x = 11,954,073.64
  5. Step 5: Solve for x
    x = 11,954,073.64/3,154.02
  6. Step 6: Final answer
    x = 3,790.11

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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.