Home / 3,720.60-5,134.56-2,463.84

Finding the Fourth Proportional to 3,720.60, 5,134.56 and 2,463.84

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Solution

The fourth proportional to 3,720.60, 5,134.56 and 2,463.84 is: 3,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.60 : 5,134.56 = 2,463.84 : x
  2. Step 2: Convert to fraction form
    3,720.60/5,134.56 = 2,463.84/x
  3. Step 3: Cross multiply
    3,720.60x = 5,134.56 × 2,463.84
  4. Step 4: Simplify right side
    3,720.60x = 12,650,734.31
  5. Step 5: Solve for x
    x = 12,650,734.31/3,720.60
  6. Step 6: Final answer
    x = 3,400.19

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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.