Home / 2,456.28-3,382.56-2,407.68

Finding the Fourth Proportional to 2,456.28, 3,382.56 and 2,407.68

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Solution

The fourth proportional to 2,456.28, 3,382.56 and 2,407.68 is: 3,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.28 : 3,382.56 = 2,407.68 : x
  2. Step 2: Convert to fraction form
    2,456.28/3,382.56 = 2,407.68/x
  3. Step 3: Cross multiply
    2,456.28x = 3,382.56 × 2,407.68
  4. Step 4: Simplify right side
    2,456.28x = 8,144,122.06
  5. Step 5: Solve for x
    x = 8,144,122.06/2,456.28
  6. Step 6: Final answer
    x = 3,315.63

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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.