Home / 2,560.45-3,838.28-2,332.20

Finding the Fourth Proportional to 2,560.45, 3,838.28 and 2,332.20

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Solution

The fourth proportional to 2,560.45, 3,838.28 and 2,332.20 is: 3,496.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.45 : 3,838.28 = 2,332.20 : x
  2. Step 2: Convert to fraction form
    2,560.45/3,838.28 = 2,332.20/x
  3. Step 3: Cross multiply
    2,560.45x = 3,838.28 × 2,332.20
  4. Step 4: Simplify right side
    2,560.45x = 8,951,636.62
  5. Step 5: Solve for x
    x = 8,951,636.62/2,560.45
  6. Step 6: Final answer
    x = 3,496.12

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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.