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Finding the Fourth Proportional to 3,342.57, 5,014.19 and 1,151.01

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Solution

The fourth proportional to 3,342.57, 5,014.19 and 1,151.01 is: 1,726.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.57 : 5,014.19 = 1,151.01 : x
  2. Step 2: Convert to fraction form
    3,342.57/5,014.19 = 1,151.01/x
  3. Step 3: Cross multiply
    3,342.57x = 5,014.19 × 1,151.01
  4. Step 4: Simplify right side
    3,342.57x = 5,771,382.83
  5. Step 5: Solve for x
    x = 5,771,382.83/3,342.57
  6. Step 6: Final answer
    x = 1,726.63

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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.