Home / 2,025.85-2,794.31-1,279.18

Finding the Fourth Proportional to 2,025.85, 2,794.31 and 1,279.18

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Solution

The fourth proportional to 2,025.85, 2,794.31 and 1,279.18 is: 1,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.85 : 2,794.31 = 1,279.18 : x
  2. Step 2: Convert to fraction form
    2,025.85/2,794.31 = 1,279.18/x
  3. Step 3: Cross multiply
    2,025.85x = 2,794.31 × 1,279.18
  4. Step 4: Simplify right side
    2,025.85x = 3,574,425.47
  5. Step 5: Solve for x
    x = 3,574,425.47/2,025.85
  6. Step 6: Final answer
    x = 1,764.41

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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.