Home / 2,025.13-2,793.93-1,278.82

Finding the Fourth Proportional to 2,025.13, 2,793.93 and 1,278.82

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Solution

The fourth proportional to 2,025.13, 2,793.93 and 1,278.82 is: 1,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.13 : 2,793.93 = 1,278.82 : x
  2. Step 2: Convert to fraction form
    2,025.13/2,793.93 = 1,278.82/x
  3. Step 3: Cross multiply
    2,025.13x = 2,793.93 × 1,278.82
  4. Step 4: Simplify right side
    2,025.13x = 3,572,933.56
  5. Step 5: Solve for x
    x = 3,572,933.56/2,025.13
  6. Step 6: Final answer
    x = 1,764.30

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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.