Home / 2,560.25-3,530.70-2,371.61

Finding the Fourth Proportional to 2,560.25, 3,530.70 and 2,371.61

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Solution

The fourth proportional to 2,560.25, 3,530.70 and 2,371.61 is: 3,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560.25 : 3,530.70 = 2,371.61 : x
  2. Step 2: Convert to fraction form
    2,560.25/3,530.70 = 2,371.61/x
  3. Step 3: Cross multiply
    2,560.25x = 3,530.70 × 2,371.61
  4. Step 4: Simplify right side
    2,560.25x = 8,373,443.43
  5. Step 5: Solve for x
    x = 8,373,443.43/2,560.25
  6. Step 6: Final answer
    x = 3,270.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.