Home / 1,540.83-2,305.77-1,124.85

Finding the Fourth Proportional to 1,540.83, 2,305.77 and 1,124.85

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Solution

The fourth proportional to 1,540.83, 2,305.77 and 1,124.85 is: 1,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.83 : 2,305.77 = 1,124.85 : x
  2. Step 2: Convert to fraction form
    1,540.83/2,305.77 = 1,124.85/x
  3. Step 3: Cross multiply
    1,540.83x = 2,305.77 × 1,124.85
  4. Step 4: Simplify right side
    1,540.83x = 2,593,645.38
  5. Step 5: Solve for x
    x = 2,593,645.38/1,540.83
  6. Step 6: Final answer
    x = 1,683.28

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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.