Home / 2,381.12-3,589.18-2,282.32

Finding the Fourth Proportional to 2,381.12, 3,589.18 and 2,282.32

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Solution

The fourth proportional to 2,381.12, 3,589.18 and 2,282.32 is: 3,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381.12 : 3,589.18 = 2,282.32 : x
  2. Step 2: Convert to fraction form
    2,381.12/3,589.18 = 2,282.32/x
  3. Step 3: Cross multiply
    2,381.12x = 3,589.18 × 2,282.32
  4. Step 4: Simplify right side
    2,381.12x = 8,191,657.30
  5. Step 5: Solve for x
    x = 8,191,657.30/2,381.12
  6. Step 6: Final answer
    x = 3,440.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.