Home / 2,387.18-3,577.31-1,695.20

Finding the Fourth Proportional to 2,387.18, 3,577.31 and 1,695.20

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Solution

The fourth proportional to 2,387.18, 3,577.31 and 1,695.20 is: 2,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.18 : 3,577.31 = 1,695.20 : x
  2. Step 2: Convert to fraction form
    2,387.18/3,577.31 = 1,695.20/x
  3. Step 3: Cross multiply
    2,387.18x = 3,577.31 × 1,695.20
  4. Step 4: Simplify right side
    2,387.18x = 6,064,256.38
  5. Step 5: Solve for x
    x = 6,064,256.38/2,387.18
  6. Step 6: Final answer
    x = 2,540.34

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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.