Home / 3,077.66-4,251.80-2,017.94

Finding the Fourth Proportional to 3,077.66, 4,251.80 and 2,017.94

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Solution

The fourth proportional to 3,077.66, 4,251.80 and 2,017.94 is: 2,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.66 : 4,251.80 = 2,017.94 : x
  2. Step 2: Convert to fraction form
    3,077.66/4,251.80 = 2,017.94/x
  3. Step 3: Cross multiply
    3,077.66x = 4,251.80 × 2,017.94
  4. Step 4: Simplify right side
    3,077.66x = 8,579,877.29
  5. Step 5: Solve for x
    x = 8,579,877.29/3,077.66
  6. Step 6: Final answer
    x = 2,787.79

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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.