Home / 2,491.90-3,732.45-1,617.10

Finding the Fourth Proportional to 2,491.90, 3,732.45 and 1,617.10

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Solution

The fourth proportional to 2,491.90, 3,732.45 and 1,617.10 is: 2,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.90 : 3,732.45 = 1,617.10 : x
  2. Step 2: Convert to fraction form
    2,491.90/3,732.45 = 1,617.10/x
  3. Step 3: Cross multiply
    2,491.90x = 3,732.45 × 1,617.10
  4. Step 4: Simplify right side
    2,491.90x = 6,035,744.90
  5. Step 5: Solve for x
    x = 6,035,744.90/2,491.90
  6. Step 6: Final answer
    x = 2,422.15

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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.