Home / 4,311.80-5,949.56-2,543.75

Finding the Fourth Proportional to 4,311.80, 5,949.56 and 2,543.75

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Solution

The fourth proportional to 4,311.80, 5,949.56 and 2,543.75 is: 3,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.80 : 5,949.56 = 2,543.75 : x
  2. Step 2: Convert to fraction form
    4,311.80/5,949.56 = 2,543.75/x
  3. Step 3: Cross multiply
    4,311.80x = 5,949.56 × 2,543.75
  4. Step 4: Simplify right side
    4,311.80x = 15,134,193.25
  5. Step 5: Solve for x
    x = 15,134,193.25/4,311.80
  6. Step 6: Final answer
    x = 3,509.95

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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.