Home / 1,874.28-2,585.48-1,165.88

Finding the Fourth Proportional to 1,874.28, 2,585.48 and 1,165.88

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Solution

The fourth proportional to 1,874.28, 2,585.48 and 1,165.88 is: 1,608.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.28 : 2,585.48 = 1,165.88 : x
  2. Step 2: Convert to fraction form
    1,874.28/2,585.48 = 1,165.88/x
  3. Step 3: Cross multiply
    1,874.28x = 2,585.48 × 1,165.88
  4. Step 4: Simplify right side
    1,874.28x = 3,014,359.42
  5. Step 5: Solve for x
    x = 3,014,359.42/1,874.28
  6. Step 6: Final answer
    x = 1,608.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.