Home / 3,947.08-5,888.28-3,839.80

Finding the Fourth Proportional to 3,947.08, 5,888.28 and 3,839.80

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Solution

The fourth proportional to 3,947.08, 5,888.28 and 3,839.80 is: 5,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.08 : 5,888.28 = 3,839.80 : x
  2. Step 2: Convert to fraction form
    3,947.08/5,888.28 = 3,839.80/x
  3. Step 3: Cross multiply
    3,947.08x = 5,888.28 × 3,839.80
  4. Step 4: Simplify right side
    3,947.08x = 22,609,817.54
  5. Step 5: Solve for x
    x = 22,609,817.54/3,947.08
  6. Step 6: Final answer
    x = 5,728.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.