Home / 2,491.19-3,737.44-1,242.15

Finding the Fourth Proportional to 2,491.19, 3,737.44 and 1,242.15

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Solution

The fourth proportional to 2,491.19, 3,737.44 and 1,242.15 is: 1,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.19 : 3,737.44 = 1,242.15 : x
  2. Step 2: Convert to fraction form
    2,491.19/3,737.44 = 1,242.15/x
  3. Step 3: Cross multiply
    2,491.19x = 3,737.44 × 1,242.15
  4. Step 4: Simplify right side
    2,491.19x = 4,642,461.10
  5. Step 5: Solve for x
    x = 4,642,461.10/2,491.19
  6. Step 6: Final answer
    x = 1,863.55

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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.