Home / 2,084.18-3,122.42-1,302.13

Finding the Fourth Proportional to 2,084.18, 3,122.42 and 1,302.13

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Solution

The fourth proportional to 2,084.18, 3,122.42 and 1,302.13 is: 1,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.18 : 3,122.42 = 1,302.13 : x
  2. Step 2: Convert to fraction form
    2,084.18/3,122.42 = 1,302.13/x
  3. Step 3: Cross multiply
    2,084.18x = 3,122.42 × 1,302.13
  4. Step 4: Simplify right side
    2,084.18x = 4,065,781.14
  5. Step 5: Solve for x
    x = 4,065,781.14/2,084.18
  6. Step 6: Final answer
    x = 1,950.78

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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.