Home / 2,378.50-3,282.33-1,330.57

Finding the Fourth Proportional to 2,378.50, 3,282.33 and 1,330.57

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Solution

The fourth proportional to 2,378.50, 3,282.33 and 1,330.57 is: 1,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.50 : 3,282.33 = 1,330.57 : x
  2. Step 2: Convert to fraction form
    2,378.50/3,282.33 = 1,330.57/x
  3. Step 3: Cross multiply
    2,378.50x = 3,282.33 × 1,330.57
  4. Step 4: Simplify right side
    2,378.50x = 4,367,369.83
  5. Step 5: Solve for x
    x = 4,367,369.83/2,378.50
  6. Step 6: Final answer
    x = 1,836.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.