Home / 2,750.91-4,127.17-1,019.13

Finding the Fourth Proportional to 2,750.91, 4,127.17 and 1,019.13

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Solution

The fourth proportional to 2,750.91, 4,127.17 and 1,019.13 is: 1,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.91 : 4,127.17 = 1,019.13 : x
  2. Step 2: Convert to fraction form
    2,750.91/4,127.17 = 1,019.13/x
  3. Step 3: Cross multiply
    2,750.91x = 4,127.17 × 1,019.13
  4. Step 4: Simplify right side
    2,750.91x = 4,206,102.13
  5. Step 5: Solve for x
    x = 4,206,102.13/2,750.91
  6. Step 6: Final answer
    x = 1,528.99

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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.