Home / 2,027.95-2,799.93-1,272.88

Finding the Fourth Proportional to 2,027.95, 2,799.93 and 1,272.88

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Solution

The fourth proportional to 2,027.95, 2,799.93 and 1,272.88 is: 1,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.95 : 2,799.93 = 1,272.88 : x
  2. Step 2: Convert to fraction form
    2,027.95/2,799.93 = 1,272.88/x
  3. Step 3: Cross multiply
    2,027.95x = 2,799.93 × 1,272.88
  4. Step 4: Simplify right side
    2,027.95x = 3,563,974.90
  5. Step 5: Solve for x
    x = 3,563,974.90/2,027.95
  6. Step 6: Final answer
    x = 1,757.43

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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.