Home / 3,122.06-4,681.33-1,366.79

Finding the Fourth Proportional to 3,122.06, 4,681.33 and 1,366.79

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Solution

The fourth proportional to 3,122.06, 4,681.33 and 1,366.79 is: 2,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.06 : 4,681.33 = 1,366.79 : x
  2. Step 2: Convert to fraction form
    3,122.06/4,681.33 = 1,366.79/x
  3. Step 3: Cross multiply
    3,122.06x = 4,681.33 × 1,366.79
  4. Step 4: Simplify right side
    3,122.06x = 6,398,368.21
  5. Step 5: Solve for x
    x = 6,398,368.21/3,122.06
  6. Step 6: Final answer
    x = 2,049.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.