Home / 1,853.67-2,781.15-1,160.85

Finding the Fourth Proportional to 1,853.67, 2,781.15 and 1,160.85

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Solution

The fourth proportional to 1,853.67, 2,781.15 and 1,160.85 is: 1,741.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.67 : 2,781.15 = 1,160.85 : x
  2. Step 2: Convert to fraction form
    1,853.67/2,781.15 = 1,160.85/x
  3. Step 3: Cross multiply
    1,853.67x = 2,781.15 × 1,160.85
  4. Step 4: Simplify right side
    1,853.67x = 3,228,497.98
  5. Step 5: Solve for x
    x = 3,228,497.98/1,853.67
  6. Step 6: Final answer
    x = 1,741.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.