Home / 3,184.38-4,394.46-1,787.13

Finding the Fourth Proportional to 3,184.38, 4,394.46 and 1,787.13

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Solution

The fourth proportional to 3,184.38, 4,394.46 and 1,787.13 is: 2,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.38 : 4,394.46 = 1,787.13 : x
  2. Step 2: Convert to fraction form
    3,184.38/4,394.46 = 1,787.13/x
  3. Step 3: Cross multiply
    3,184.38x = 4,394.46 × 1,787.13
  4. Step 4: Simplify right side
    3,184.38x = 7,853,471.30
  5. Step 5: Solve for x
    x = 7,853,471.30/3,184.38
  6. Step 6: Final answer
    x = 2,466.25

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1.5x scale

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.