Home / 2,842.79-4,264.32-1,281.11

Finding the Fourth Proportional to 2,842.79, 4,264.32 and 1,281.11

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Solution

The fourth proportional to 2,842.79, 4,264.32 and 1,281.11 is: 1,921.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.79 : 4,264.32 = 1,281.11 : x
  2. Step 2: Convert to fraction form
    2,842.79/4,264.32 = 1,281.11/x
  3. Step 3: Cross multiply
    2,842.79x = 4,264.32 × 1,281.11
  4. Step 4: Simplify right side
    2,842.79x = 5,463,063.00
  5. Step 5: Solve for x
    x = 5,463,063.00/2,842.79
  6. Step 6: Final answer
    x = 1,921.73

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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.