Home / 2,517.11-3,776.34-1,055.90

Finding the Fourth Proportional to 2,517.11, 3,776.34 and 1,055.90

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Solution

The fourth proportional to 2,517.11, 3,776.34 and 1,055.90 is: 1,584.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.11 : 3,776.34 = 1,055.90 : x
  2. Step 2: Convert to fraction form
    2,517.11/3,776.34 = 1,055.90/x
  3. Step 3: Cross multiply
    2,517.11x = 3,776.34 × 1,055.90
  4. Step 4: Simplify right side
    2,517.11x = 3,987,437.41
  5. Step 5: Solve for x
    x = 3,987,437.41/2,517.11
  6. Step 6: Final answer
    x = 1,584.13

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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.