Home / 2,759.19-4,138.71-1,525.96

Finding the Fourth Proportional to 2,759.19, 4,138.71 and 1,525.96

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Solution

The fourth proportional to 2,759.19, 4,138.71 and 1,525.96 is: 2,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.19 : 4,138.71 = 1,525.96 : x
  2. Step 2: Convert to fraction form
    2,759.19/4,138.71 = 1,525.96/x
  3. Step 3: Cross multiply
    2,759.19x = 4,138.71 × 1,525.96
  4. Step 4: Simplify right side
    2,759.19x = 6,315,505.91
  5. Step 5: Solve for x
    x = 6,315,505.91/2,759.19
  6. Step 6: Final answer
    x = 2,288.90

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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.