Home / 2,027.57-2,797.98-1,143.35

Finding the Fourth Proportional to 2,027.57, 2,797.98 and 1,143.35

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Solution

The fourth proportional to 2,027.57, 2,797.98 and 1,143.35 is: 1,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.57 : 2,797.98 = 1,143.35 : x
  2. Step 2: Convert to fraction form
    2,027.57/2,797.98 = 1,143.35/x
  3. Step 3: Cross multiply
    2,027.57x = 2,797.98 × 1,143.35
  4. Step 4: Simplify right side
    2,027.57x = 3,199,056.44
  5. Step 5: Solve for x
    x = 3,199,056.44/2,027.57
  6. Step 6: Final answer
    x = 1,577.78

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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.