Home / 3,519.60-5,285.45-3,125.18

Finding the Fourth Proportional to 3,519.60, 5,285.45 and 3,125.18

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Solution

The fourth proportional to 3,519.60, 5,285.45 and 3,125.18 is: 4,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.60 : 5,285.45 = 3,125.18 : x
  2. Step 2: Convert to fraction form
    3,519.60/5,285.45 = 3,125.18/x
  3. Step 3: Cross multiply
    3,519.60x = 5,285.45 × 3,125.18
  4. Step 4: Simplify right side
    3,519.60x = 16,517,956.35
  5. Step 5: Solve for x
    x = 16,517,956.35/3,519.60
  6. Step 6: Final answer
    x = 4,693.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.