Home / 2,028.83-2,799.90-1,132.70

Finding the Fourth Proportional to 2,028.83, 2,799.90 and 1,132.70

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Solution

The fourth proportional to 2,028.83, 2,799.90 and 1,132.70 is: 1,563.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.83 : 2,799.90 = 1,132.70 : x
  2. Step 2: Convert to fraction form
    2,028.83/2,799.90 = 1,132.70/x
  3. Step 3: Cross multiply
    2,028.83x = 2,799.90 × 1,132.70
  4. Step 4: Simplify right side
    2,028.83x = 3,171,432.73
  5. Step 5: Solve for x
    x = 3,171,432.73/2,028.83
  6. Step 6: Final answer
    x = 1,563.19

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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.