Home / 2,526.20-3,789.22-677.22

Finding the Fourth Proportional to 2,526.20, 3,789.22 and 677.22

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Solution

The fourth proportional to 2,526.20, 3,789.22 and 677.22 is: 1,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.20 : 3,789.22 = 677.22 : x
  2. Step 2: Convert to fraction form
    2,526.20/3,789.22 = 677.22/x
  3. Step 3: Cross multiply
    2,526.20x = 3,789.22 × 677.22
  4. Step 4: Simplify right side
    2,526.20x = 2,566,113.24
  5. Step 5: Solve for x
    x = 2,566,113.24/2,526.20
  6. Step 6: Final answer
    x = 1,015.80

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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.