Home / 1,306.53-1,801.56-1,276.29

Finding the Fourth Proportional to 1,306.53, 1,801.56 and 1,276.29

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Solution

The fourth proportional to 1,306.53, 1,801.56 and 1,276.29 is: 1,759.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306.53 : 1,801.56 = 1,276.29 : x
  2. Step 2: Convert to fraction form
    1,306.53/1,801.56 = 1,276.29/x
  3. Step 3: Cross multiply
    1,306.53x = 1,801.56 × 1,276.29
  4. Step 4: Simplify right side
    1,306.53x = 2,299,313.01
  5. Step 5: Solve for x
    x = 2,299,313.01/1,306.53
  6. Step 6: Final answer
    x = 1,759.86

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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.