Home / 3,052.78-4,212.88-1,726.46

Finding the Fourth Proportional to 3,052.78, 4,212.88 and 1,726.46

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Solution

The fourth proportional to 3,052.78, 4,212.88 and 1,726.46 is: 2,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.78 : 4,212.88 = 1,726.46 : x
  2. Step 2: Convert to fraction form
    3,052.78/4,212.88 = 1,726.46/x
  3. Step 3: Cross multiply
    3,052.78x = 4,212.88 × 1,726.46
  4. Step 4: Simplify right side
    3,052.78x = 7,273,368.80
  5. Step 5: Solve for x
    x = 7,273,368.80/3,052.78
  6. Step 6: Final answer
    x = 2,382.54

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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.