Home / 2,707.29-4,057.17-1,520.28

Finding the Fourth Proportional to 2,707.29, 4,057.17 and 1,520.28

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Solution

The fourth proportional to 2,707.29, 4,057.17 and 1,520.28 is: 2,278.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.29 : 4,057.17 = 1,520.28 : x
  2. Step 2: Convert to fraction form
    2,707.29/4,057.17 = 1,520.28/x
  3. Step 3: Cross multiply
    2,707.29x = 4,057.17 × 1,520.28
  4. Step 4: Simplify right side
    2,707.29x = 6,168,034.41
  5. Step 5: Solve for x
    x = 6,168,034.41/2,707.29
  6. Step 6: Final answer
    x = 2,278.31

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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.