Home / 3,000.29-4,139.81-1,673.97

Finding the Fourth Proportional to 3,000.29, 4,139.81 and 1,673.97

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Solution

The fourth proportional to 3,000.29, 4,139.81 and 1,673.97 is: 2,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.29 : 4,139.81 = 1,673.97 : x
  2. Step 2: Convert to fraction form
    3,000.29/4,139.81 = 1,673.97/x
  3. Step 3: Cross multiply
    3,000.29x = 4,139.81 × 1,673.97
  4. Step 4: Simplify right side
    3,000.29x = 6,929,900.13
  5. Step 5: Solve for x
    x = 6,929,900.13/3,000.29
  6. Step 6: Final answer
    x = 2,309.74

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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.