Home / 2,478.97-3,718.65-1,018.13

Finding the Fourth Proportional to 2,478.97, 3,718.65 and 1,018.13

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Solution

The fourth proportional to 2,478.97, 3,718.65 and 1,018.13 is: 1,527.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,478.97 : 3,718.65 = 1,018.13 : x
  2. Step 2: Convert to fraction form
    2,478.97/3,718.65 = 1,018.13/x
  3. Step 3: Cross multiply
    2,478.97x = 3,718.65 × 1,018.13
  4. Step 4: Simplify right side
    2,478.97x = 3,786,082.24
  5. Step 5: Solve for x
    x = 3,786,082.24/2,478.97
  6. Step 6: Final answer
    x = 1,527.28

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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.