Home / 3,848.32-5,774.08-2,116.80

Finding the Fourth Proportional to 3,848.32, 5,774.08 and 2,116.80

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Solution

The fourth proportional to 3,848.32, 5,774.08 and 2,116.80 is: 3,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.32 : 5,774.08 = 2,116.80 : x
  2. Step 2: Convert to fraction form
    3,848.32/5,774.08 = 2,116.80/x
  3. Step 3: Cross multiply
    3,848.32x = 5,774.08 × 2,116.80
  4. Step 4: Simplify right side
    3,848.32x = 12,222,572.54
  5. Step 5: Solve for x
    x = 12,222,572.54/3,848.32
  6. Step 6: Final answer
    x = 3,176.08

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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.