Home / 2,381.20-3,567.20-1,965.36

Finding the Fourth Proportional to 2,381.20, 3,567.20 and 1,965.36

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Solution

The fourth proportional to 2,381.20, 3,567.20 and 1,965.36 is: 2,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.20 : 3,567.20 = 1,965.36 : x
  2. Step 2: Convert to fraction form
    2,381.20/3,567.20 = 1,965.36/x
  3. Step 3: Cross multiply
    2,381.20x = 3,567.20 × 1,965.36
  4. Step 4: Simplify right side
    2,381.20x = 7,010,832.19
  5. Step 5: Solve for x
    x = 7,010,832.19/2,381.20
  6. Step 6: Final answer
    x = 2,944.24

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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.