Home / 3,517.50-5,272.45-2,285.79

Finding the Fourth Proportional to 3,517.50, 5,272.45 and 2,285.79

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Solution

The fourth proportional to 3,517.50, 5,272.45 and 2,285.79 is: 3,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.50 : 5,272.45 = 2,285.79 : x
  2. Step 2: Convert to fraction form
    3,517.50/5,272.45 = 2,285.79/x
  3. Step 3: Cross multiply
    3,517.50x = 5,272.45 × 2,285.79
  4. Step 4: Simplify right side
    3,517.50x = 12,051,707.77
  5. Step 5: Solve for x
    x = 12,051,707.77/3,517.50
  6. Step 6: Final answer
    x = 3,426.22

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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.