Home / 2,063.60-2,849.09-1,278.09

Finding the Fourth Proportional to 2,063.60, 2,849.09 and 1,278.09

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Solution

The fourth proportional to 2,063.60, 2,849.09 and 1,278.09 is: 1,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,063.60 : 2,849.09 = 1,278.09 : x
  2. Step 2: Convert to fraction form
    2,063.60/2,849.09 = 1,278.09/x
  3. Step 3: Cross multiply
    2,063.60x = 2,849.09 × 1,278.09
  4. Step 4: Simplify right side
    2,063.60x = 3,641,387.05
  5. Step 5: Solve for x
    x = 3,641,387.05/2,063.60
  6. Step 6: Final answer
    x = 1,764.58

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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.