Home / 2,519.84-3,773.28-2,131.04

Finding the Fourth Proportional to 2,519.84, 3,773.28 and 2,131.04

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Solution

The fourth proportional to 2,519.84, 3,773.28 and 2,131.04 is: 3,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.84 : 3,773.28 = 2,131.04 : x
  2. Step 2: Convert to fraction form
    2,519.84/3,773.28 = 2,131.04/x
  3. Step 3: Cross multiply
    2,519.84x = 3,773.28 × 2,131.04
  4. Step 4: Simplify right side
    2,519.84x = 8,041,010.61
  5. Step 5: Solve for x
    x = 8,041,010.61/2,519.84
  6. Step 6: Final answer
    x = 3,191.08

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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.