Home / 3,848.75-5,311.28-2,452.31

Finding the Fourth Proportional to 3,848.75, 5,311.28 and 2,452.31

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Solution

The fourth proportional to 3,848.75, 5,311.28 and 2,452.31 is: 3,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.75 : 5,311.28 = 2,452.31 : x
  2. Step 2: Convert to fraction form
    3,848.75/5,311.28 = 2,452.31/x
  3. Step 3: Cross multiply
    3,848.75x = 5,311.28 × 2,452.31
  4. Step 4: Simplify right side
    3,848.75x = 13,024,905.06
  5. Step 5: Solve for x
    x = 13,024,905.06/3,848.75
  6. Step 6: Final answer
    x = 3,384.19

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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.