Home / 2,708.28-4,057.56-1,411.20

Finding the Fourth Proportional to 2,708.28, 4,057.56 and 1,411.20

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Solution

The fourth proportional to 2,708.28, 4,057.56 and 1,411.20 is: 2,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.28 : 4,057.56 = 1,411.20 : x
  2. Step 2: Convert to fraction form
    2,708.28/4,057.56 = 1,411.20/x
  3. Step 3: Cross multiply
    2,708.28x = 4,057.56 × 1,411.20
  4. Step 4: Simplify right side
    2,708.28x = 5,726,028.67
  5. Step 5: Solve for x
    x = 5,726,028.67/2,708.28
  6. Step 6: Final answer
    x = 2,114.27

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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.