Home / 3,763.60-5,646.30-1,571.11

Finding the Fourth Proportional to 3,763.60, 5,646.30 and 1,571.11

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Solution

The fourth proportional to 3,763.60, 5,646.30 and 1,571.11 is: 2,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.60 : 5,646.30 = 1,571.11 : x
  2. Step 2: Convert to fraction form
    3,763.60/5,646.30 = 1,571.11/x
  3. Step 3: Cross multiply
    3,763.60x = 5,646.30 × 1,571.11
  4. Step 4: Simplify right side
    3,763.60x = 8,870,958.39
  5. Step 5: Solve for x
    x = 8,870,958.39/3,763.60
  6. Step 6: Final answer
    x = 2,357.04

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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.