Home / 2,612.18-3,919.61-1,735.29

Finding the Fourth Proportional to 2,612.18, 3,919.61 and 1,735.29

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Solution

The fourth proportional to 2,612.18, 3,919.61 and 1,735.29 is: 2,603.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.18 : 3,919.61 = 1,735.29 : x
  2. Step 2: Convert to fraction form
    2,612.18/3,919.61 = 1,735.29/x
  3. Step 3: Cross multiply
    2,612.18x = 3,919.61 × 1,735.29
  4. Step 4: Simplify right side
    2,612.18x = 6,801,645.40
  5. Step 5: Solve for x
    x = 6,801,645.40/2,612.18
  6. Step 6: Final answer
    x = 2,603.82

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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.