Home / 2,301.28-3,175.80-1,306.59

Finding the Fourth Proportional to 2,301.28, 3,175.80 and 1,306.59

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Solution

The fourth proportional to 2,301.28, 3,175.80 and 1,306.59 is: 1,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.28 : 3,175.80 = 1,306.59 : x
  2. Step 2: Convert to fraction form
    2,301.28/3,175.80 = 1,306.59/x
  3. Step 3: Cross multiply
    2,301.28x = 3,175.80 × 1,306.59
  4. Step 4: Simplify right side
    2,301.28x = 4,149,452.64
  5. Step 5: Solve for x
    x = 4,149,452.64/2,301.28
  6. Step 6: Final answer
    x = 1,803.11

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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.