Home / 1,659.11-2,291.90-1,327.14

Finding the Fourth Proportional to 1,659.11, 2,291.90 and 1,327.14

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Solution

The fourth proportional to 1,659.11, 2,291.90 and 1,327.14 is: 1,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.11 : 2,291.90 = 1,327.14 : x
  2. Step 2: Convert to fraction form
    1,659.11/2,291.90 = 1,327.14/x
  3. Step 3: Cross multiply
    1,659.11x = 2,291.90 × 1,327.14
  4. Step 4: Simplify right side
    1,659.11x = 3,041,665.53
  5. Step 5: Solve for x
    x = 3,041,665.53/1,659.11
  6. Step 6: Final answer
    x = 1,833.32

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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.