Home / 3,077.28-4,248.05-1,959.75

Finding the Fourth Proportional to 3,077.28, 4,248.05 and 1,959.75

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Solution

The fourth proportional to 3,077.28, 4,248.05 and 1,959.75 is: 2,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.28 : 4,248.05 = 1,959.75 : x
  2. Step 2: Convert to fraction form
    3,077.28/4,248.05 = 1,959.75/x
  3. Step 3: Cross multiply
    3,077.28x = 4,248.05 × 1,959.75
  4. Step 4: Simplify right side
    3,077.28x = 8,325,106.19
  5. Step 5: Solve for x
    x = 8,325,106.19/3,077.28
  6. Step 6: Final answer
    x = 2,705.35

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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.