Home / 3,853.29-5,317.55-2,084.91

Finding the Fourth Proportional to 3,853.29, 5,317.55 and 2,084.91

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Solution

The fourth proportional to 3,853.29, 5,317.55 and 2,084.91 is: 2,877.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.29 : 5,317.55 = 2,084.91 : x
  2. Step 2: Convert to fraction form
    3,853.29/5,317.55 = 2,084.91/x
  3. Step 3: Cross multiply
    3,853.29x = 5,317.55 × 2,084.91
  4. Step 4: Simplify right side
    3,853.29x = 11,086,618.38
  5. Step 5: Solve for x
    x = 11,086,618.38/3,853.29
  6. Step 6: Final answer
    x = 2,877.18

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1.5x scale

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.