Home / 2,849.00-3,931.11-1,729.71

Finding the Fourth Proportional to 2,849.00, 3,931.11 and 1,729.71

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Solution

The fourth proportional to 2,849.00, 3,931.11 and 1,729.71 is: 2,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.00 : 3,931.11 = 1,729.71 : x
  2. Step 2: Convert to fraction form
    2,849.00/3,931.11 = 1,729.71/x
  3. Step 3: Cross multiply
    2,849.00x = 3,931.11 × 1,729.71
  4. Step 4: Simplify right side
    2,849.00x = 6,799,680.28
  5. Step 5: Solve for x
    x = 6,799,680.28/2,849.00
  6. Step 6: Final answer
    x = 2,386.69

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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.