Home / 2,669.20-3,680.16-1,674.11

Finding the Fourth Proportional to 2,669.20, 3,680.16 and 1,674.11

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Solution

The fourth proportional to 2,669.20, 3,680.16 and 1,674.11 is: 2,308.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.20 : 3,680.16 = 1,674.11 : x
  2. Step 2: Convert to fraction form
    2,669.20/3,680.16 = 1,674.11/x
  3. Step 3: Cross multiply
    2,669.20x = 3,680.16 × 1,674.11
  4. Step 4: Simplify right side
    2,669.20x = 6,160,992.66
  5. Step 5: Solve for x
    x = 6,160,992.66/2,669.20
  6. Step 6: Final answer
    x = 2,308.18

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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.