Home / 2,999.52-4,139.08-1,673.28

Finding the Fourth Proportional to 2,999.52, 4,139.08 and 1,673.28

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Solution

The fourth proportional to 2,999.52, 4,139.08 and 1,673.28 is: 2,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.52 : 4,139.08 = 1,673.28 : x
  2. Step 2: Convert to fraction form
    2,999.52/4,139.08 = 1,673.28/x
  3. Step 3: Cross multiply
    2,999.52x = 4,139.08 × 1,673.28
  4. Step 4: Simplify right side
    2,999.52x = 6,925,839.78
  5. Step 5: Solve for x
    x = 6,925,839.78/2,999.52
  6. Step 6: Final answer
    x = 2,308.98

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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.