Home / 3,491.91-5,228.28-2,560.41

Finding the Fourth Proportional to 3,491.91, 5,228.28 and 2,560.41

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Solution

The fourth proportional to 3,491.91, 5,228.28 and 2,560.41 is: 3,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.91 : 5,228.28 = 2,560.41 : x
  2. Step 2: Convert to fraction form
    3,491.91/5,228.28 = 2,560.41/x
  3. Step 3: Cross multiply
    3,491.91x = 5,228.28 × 2,560.41
  4. Step 4: Simplify right side
    3,491.91x = 13,386,540.39
  5. Step 5: Solve for x
    x = 13,386,540.39/3,491.91
  6. Step 6: Final answer
    x = 3,833.59

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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.