Home / 3,104.19-4,289.92-2,543.77

Finding the Fourth Proportional to 3,104.19, 4,289.92 and 2,543.77

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Solution

The fourth proportional to 3,104.19, 4,289.92 and 2,543.77 is: 3,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.19 : 4,289.92 = 2,543.77 : x
  2. Step 2: Convert to fraction form
    3,104.19/4,289.92 = 2,543.77/x
  3. Step 3: Cross multiply
    3,104.19x = 4,289.92 × 2,543.77
  4. Step 4: Simplify right side
    3,104.19x = 10,912,569.80
  5. Step 5: Solve for x
    x = 10,912,569.80/3,104.19
  6. Step 6: Final answer
    x = 3,515.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.