Home / 3,848.92-5,278.82-3,690.16

Finding the Fourth Proportional to 3,848.92, 5,278.82 and 3,690.16

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Solution

The fourth proportional to 3,848.92, 5,278.82 and 3,690.16 is: 5,061.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.92 : 5,278.82 = 3,690.16 : x
  2. Step 2: Convert to fraction form
    3,848.92/5,278.82 = 3,690.16/x
  3. Step 3: Cross multiply
    3,848.92x = 5,278.82 × 3,690.16
  4. Step 4: Simplify right side
    3,848.92x = 19,479,690.41
  5. Step 5: Solve for x
    x = 19,479,690.41/3,848.92
  6. Step 6: Final answer
    x = 5,061.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.