Home / 3,154.41-4,726.77-1,838.57

Finding the Fourth Proportional to 3,154.41, 4,726.77 and 1,838.57

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Solution

The fourth proportional to 3,154.41, 4,726.77 and 1,838.57 is: 2,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.41 : 4,726.77 = 1,838.57 : x
  2. Step 2: Convert to fraction form
    3,154.41/4,726.77 = 1,838.57/x
  3. Step 3: Cross multiply
    3,154.41x = 4,726.77 × 1,838.57
  4. Step 4: Simplify right side
    3,154.41x = 8,690,473.89
  5. Step 5: Solve for x
    x = 8,690,473.89/3,154.41
  6. Step 6: Final answer
    x = 2,755.02

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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.