Home / 3,761.28-5,185.76-2,580.30

Finding the Fourth Proportional to 3,761.28, 5,185.76 and 2,580.30

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Solution

The fourth proportional to 3,761.28, 5,185.76 and 2,580.30 is: 3,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.28 : 5,185.76 = 2,580.30 : x
  2. Step 2: Convert to fraction form
    3,761.28/5,185.76 = 2,580.30/x
  3. Step 3: Cross multiply
    3,761.28x = 5,185.76 × 2,580.30
  4. Step 4: Simplify right side
    3,761.28x = 13,380,803.63
  5. Step 5: Solve for x
    x = 13,380,803.63/3,761.28
  6. Step 6: Final answer
    x = 3,557.51

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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.