Home / 3,520.60-4,862.41-2,399.61

Finding the Fourth Proportional to 3,520.60, 4,862.41 and 2,399.61

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Solution

The fourth proportional to 3,520.60, 4,862.41 and 2,399.61 is: 3,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.60 : 4,862.41 = 2,399.61 : x
  2. Step 2: Convert to fraction form
    3,520.60/4,862.41 = 2,399.61/x
  3. Step 3: Cross multiply
    3,520.60x = 4,862.41 × 2,399.61
  4. Step 4: Simplify right side
    3,520.60x = 11,667,886.04
  5. Step 5: Solve for x
    x = 11,667,886.04/3,520.60
  6. Step 6: Final answer
    x = 3,314.18

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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.