Home / 2,999.17-4,138.87-1,673.15

Finding the Fourth Proportional to 2,999.17, 4,138.87 and 1,673.15

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Solution

The fourth proportional to 2,999.17, 4,138.87 and 1,673.15 is: 2,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.17 : 4,138.87 = 1,673.15 : x
  2. Step 2: Convert to fraction form
    2,999.17/4,138.87 = 1,673.15/x
  3. Step 3: Cross multiply
    2,999.17x = 4,138.87 × 1,673.15
  4. Step 4: Simplify right side
    2,999.17x = 6,924,941.97
  5. Step 5: Solve for x
    x = 6,924,941.97/2,999.17
  6. Step 6: Final answer
    x = 2,308.95

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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.