Home / 2,027.42-2,797.98-1,143.20

Finding the Fourth Proportional to 2,027.42, 2,797.98 and 1,143.20

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Solution

The fourth proportional to 2,027.42, 2,797.98 and 1,143.20 is: 1,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.42 : 2,797.98 = 1,143.20 : x
  2. Step 2: Convert to fraction form
    2,027.42/2,797.98 = 1,143.20/x
  3. Step 3: Cross multiply
    2,027.42x = 2,797.98 × 1,143.20
  4. Step 4: Simplify right side
    2,027.42x = 3,198,650.74
  5. Step 5: Solve for x
    x = 3,198,650.74/2,027.42
  6. Step 6: Final answer
    x = 1,577.70

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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.