Home / 2,026.76-2,797.26-1,142.80

Finding the Fourth Proportional to 2,026.76, 2,797.26 and 1,142.80

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Solution

The fourth proportional to 2,026.76, 2,797.26 and 1,142.80 is: 1,577.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.76 : 2,797.26 = 1,142.80 : x
  2. Step 2: Convert to fraction form
    2,026.76/2,797.26 = 1,142.80/x
  3. Step 3: Cross multiply
    2,026.76x = 2,797.26 × 1,142.80
  4. Step 4: Simplify right side
    2,026.76x = 3,196,708.73
  5. Step 5: Solve for x
    x = 3,196,708.73/2,026.76
  6. Step 6: Final answer
    x = 1,577.25

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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.