Home / 2,577.18-3,859.76-1,882.13

Finding the Fourth Proportional to 2,577.18, 3,859.76 and 1,882.13

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Solution

The fourth proportional to 2,577.18, 3,859.76 and 1,882.13 is: 2,818.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.18 : 3,859.76 = 1,882.13 : x
  2. Step 2: Convert to fraction form
    2,577.18/3,859.76 = 1,882.13/x
  3. Step 3: Cross multiply
    2,577.18x = 3,859.76 × 1,882.13
  4. Step 4: Simplify right side
    2,577.18x = 7,264,541.38
  5. Step 5: Solve for x
    x = 7,264,541.38/2,577.18
  6. Step 6: Final answer
    x = 2,818.79

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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.