Home / 3,400.65-5,101.20-1,759.19

Finding the Fourth Proportional to 3,400.65, 5,101.20 and 1,759.19

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Solution

The fourth proportional to 3,400.65, 5,101.20 and 1,759.19 is: 2,638.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.65 : 5,101.20 = 1,759.19 : x
  2. Step 2: Convert to fraction form
    3,400.65/5,101.20 = 1,759.19/x
  3. Step 3: Cross multiply
    3,400.65x = 5,101.20 × 1,759.19
  4. Step 4: Simplify right side
    3,400.65x = 8,973,954.52
  5. Step 5: Solve for x
    x = 8,973,954.52/3,400.65
  6. Step 6: Final answer
    x = 2,638.89

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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.