Home / 2,559.34-3,535.66-1,719.78

Finding the Fourth Proportional to 2,559.34, 3,535.66 and 1,719.78

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Solution

The fourth proportional to 2,559.34, 3,535.66 and 1,719.78 is: 2,375.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.34 : 3,535.66 = 1,719.78 : x
  2. Step 2: Convert to fraction form
    2,559.34/3,535.66 = 1,719.78/x
  3. Step 3: Cross multiply
    2,559.34x = 3,535.66 × 1,719.78
  4. Step 4: Simplify right side
    2,559.34x = 6,080,557.35
  5. Step 5: Solve for x
    x = 6,080,557.35/2,559.34
  6. Step 6: Final answer
    x = 2,375.83

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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.