Home / 2,278.14-3,141.63-2,031.90

Finding the Fourth Proportional to 2,278.14, 3,141.63 and 2,031.90

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Solution

The fourth proportional to 2,278.14, 3,141.63 and 2,031.90 is: 2,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.14 : 3,141.63 = 2,031.90 : x
  2. Step 2: Convert to fraction form
    2,278.14/3,141.63 = 2,031.90/x
  3. Step 3: Cross multiply
    2,278.14x = 3,141.63 × 2,031.90
  4. Step 4: Simplify right side
    2,278.14x = 6,383,478.00
  5. Step 5: Solve for x
    x = 6,383,478.00/2,278.14
  6. Step 6: Final answer
    x = 2,802.06

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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.