Home / 3,787.20-5,681.16-1,596.12

Finding the Fourth Proportional to 3,787.20, 5,681.16 and 1,596.12

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Solution

The fourth proportional to 3,787.20, 5,681.16 and 1,596.12 is: 2,394.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.20 : 5,681.16 = 1,596.12 : x
  2. Step 2: Convert to fraction form
    3,787.20/5,681.16 = 1,596.12/x
  3. Step 3: Cross multiply
    3,787.20x = 5,681.16 × 1,596.12
  4. Step 4: Simplify right side
    3,787.20x = 9,067,813.10
  5. Step 5: Solve for x
    x = 9,067,813.10/3,787.20
  6. Step 6: Final answer
    x = 2,394.33

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1.5x scale

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.