Home / 1,452.29-2,004.63-1,079.15

Finding the Fourth Proportional to 1,452.29, 2,004.63 and 1,079.15

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Solution

The fourth proportional to 1,452.29, 2,004.63 and 1,079.15 is: 1,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.29 : 2,004.63 = 1,079.15 : x
  2. Step 2: Convert to fraction form
    1,452.29/2,004.63 = 1,079.15/x
  3. Step 3: Cross multiply
    1,452.29x = 2,004.63 × 1,079.15
  4. Step 4: Simplify right side
    1,452.29x = 2,163,296.46
  5. Step 5: Solve for x
    x = 2,163,296.46/1,452.29
  6. Step 6: Final answer
    x = 1,489.58

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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.