Home / 2,853.56-4,281.71-1,391.92

Finding the Fourth Proportional to 2,853.56, 4,281.71 and 1,391.92

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Solution

The fourth proportional to 2,853.56, 4,281.71 and 1,391.92 is: 2,088.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.56 : 4,281.71 = 1,391.92 : x
  2. Step 2: Convert to fraction form
    2,853.56/4,281.71 = 1,391.92/x
  3. Step 3: Cross multiply
    2,853.56x = 4,281.71 × 1,391.92
  4. Step 4: Simplify right side
    2,853.56x = 5,959,780.12
  5. Step 5: Solve for x
    x = 5,959,780.12/2,853.56
  6. Step 6: Final answer
    x = 2,088.54

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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.