Home / 2,999.30-4,139.16-1,673.04

Finding the Fourth Proportional to 2,999.30, 4,139.16 and 1,673.04

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Solution

The fourth proportional to 2,999.30, 4,139.16 and 1,673.04 is: 2,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.30 : 4,139.16 = 1,673.04 : x
  2. Step 2: Convert to fraction form
    2,999.30/4,139.16 = 1,673.04/x
  3. Step 3: Cross multiply
    2,999.30x = 4,139.16 × 1,673.04
  4. Step 4: Simplify right side
    2,999.30x = 6,924,980.25
  5. Step 5: Solve for x
    x = 6,924,980.25/2,999.30
  6. Step 6: Final answer
    x = 2,308.87

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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.