Home / 3,848.30-5,310.64-2,079.90

Finding the Fourth Proportional to 3,848.30, 5,310.64 and 2,079.90

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Solution

The fourth proportional to 3,848.30, 5,310.64 and 2,079.90 is: 2,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.30 : 5,310.64 = 2,079.90 : x
  2. Step 2: Convert to fraction form
    3,848.30/5,310.64 = 2,079.90/x
  3. Step 3: Cross multiply
    3,848.30x = 5,310.64 × 2,079.90
  4. Step 4: Simplify right side
    3,848.30x = 11,045,598.70
  5. Step 5: Solve for x
    x = 11,045,598.70/3,848.30
  6. Step 6: Final answer
    x = 2,870.26

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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.