Home / 2,777.30-4,165.97-1,132.70

Finding the Fourth Proportional to 2,777.30, 4,165.97 and 1,132.70

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Solution

The fourth proportional to 2,777.30, 4,165.97 and 1,132.70 is: 1,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.30 : 4,165.97 = 1,132.70 : x
  2. Step 2: Convert to fraction form
    2,777.30/4,165.97 = 1,132.70/x
  3. Step 3: Cross multiply
    2,777.30x = 4,165.97 × 1,132.70
  4. Step 4: Simplify right side
    2,777.30x = 4,718,767.73
  5. Step 5: Solve for x
    x = 4,718,767.73/2,777.30
  6. Step 6: Final answer
    x = 1,699.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.