Home / 2,074.62-2,862.98-1,143.12

Finding the Fourth Proportional to 2,074.62, 2,862.98 and 1,143.12

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Solution

The fourth proportional to 2,074.62, 2,862.98 and 1,143.12 is: 1,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074.62 : 2,862.98 = 1,143.12 : x
  2. Step 2: Convert to fraction form
    2,074.62/2,862.98 = 1,143.12/x
  3. Step 3: Cross multiply
    2,074.62x = 2,862.98 × 1,143.12
  4. Step 4: Simplify right side
    2,074.62x = 3,272,729.70
  5. Step 5: Solve for x
    x = 3,272,729.70/2,074.62
  6. Step 6: Final answer
    x = 1,577.51

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1.5x scale

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.