Home / 1,306.13-1,801.44-1,165.59

Finding the Fourth Proportional to 1,306.13, 1,801.44 and 1,165.59

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Solution

The fourth proportional to 1,306.13, 1,801.44 and 1,165.59 is: 1,607.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306.13 : 1,801.44 = 1,165.59 : x
  2. Step 2: Convert to fraction form
    1,306.13/1,801.44 = 1,165.59/x
  3. Step 3: Cross multiply
    1,306.13x = 1,801.44 × 1,165.59
  4. Step 4: Simplify right side
    1,306.13x = 2,099,740.45
  5. Step 5: Solve for x
    x = 2,099,740.45/1,306.13
  6. Step 6: Final answer
    x = 1,607.61

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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.