Home / 3,872.11-5,807.44-1,763.23

Finding the Fourth Proportional to 3,872.11, 5,807.44 and 1,763.23

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Solution

The fourth proportional to 3,872.11, 5,807.44 and 1,763.23 is: 2,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.11 : 5,807.44 = 1,763.23 : x
  2. Step 2: Convert to fraction form
    3,872.11/5,807.44 = 1,763.23/x
  3. Step 3: Cross multiply
    3,872.11x = 5,807.44 × 1,763.23
  4. Step 4: Simplify right side
    3,872.11x = 10,239,856.84
  5. Step 5: Solve for x
    x = 10,239,856.84/3,872.11
  6. Step 6: Final answer
    x = 2,644.52

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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.