Home / 3,600.45-5,402.43-1,521.18

Finding the Fourth Proportional to 3,600.45, 5,402.43 and 1,521.18

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Solution

The fourth proportional to 3,600.45, 5,402.43 and 1,521.18 is: 2,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.45 : 5,402.43 = 1,521.18 : x
  2. Step 2: Convert to fraction form
    3,600.45/5,402.43 = 1,521.18/x
  3. Step 3: Cross multiply
    3,600.45x = 5,402.43 × 1,521.18
  4. Step 4: Simplify right side
    3,600.45x = 8,218,068.47
  5. Step 5: Solve for x
    x = 8,218,068.47/3,600.45
  6. Step 6: Final answer
    x = 2,282.51

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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.