Home / 2,560.28-3,839.68-1,622.60

Finding the Fourth Proportional to 2,560.28, 3,839.68 and 1,622.60

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Solution

The fourth proportional to 2,560.28, 3,839.68 and 1,622.60 is: 2,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.28 : 3,839.68 = 1,622.60 : x
  2. Step 2: Convert to fraction form
    2,560.28/3,839.68 = 1,622.60/x
  3. Step 3: Cross multiply
    2,560.28x = 3,839.68 × 1,622.60
  4. Step 4: Simplify right side
    2,560.28x = 6,230,264.77
  5. Step 5: Solve for x
    x = 6,230,264.77/2,560.28
  6. Step 6: Final answer
    x = 2,433.43

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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.