Home / 3,848.46-5,310.87-2,080.08

Finding the Fourth Proportional to 3,848.46, 5,310.87 and 2,080.08

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Solution

The fourth proportional to 3,848.46, 5,310.87 and 2,080.08 is: 2,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.46 : 5,310.87 = 2,080.08 : x
  2. Step 2: Convert to fraction form
    3,848.46/5,310.87 = 2,080.08/x
  3. Step 3: Cross multiply
    3,848.46x = 5,310.87 × 2,080.08
  4. Step 4: Simplify right side
    3,848.46x = 11,047,034.47
  5. Step 5: Solve for x
    x = 11,047,034.47/3,848.46
  6. Step 6: Final answer
    x = 2,870.51

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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.