Home / 3,132.90-4,323.39-1,735.65

Finding the Fourth Proportional to 3,132.90, 4,323.39 and 1,735.65

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Solution

The fourth proportional to 3,132.90, 4,323.39 and 1,735.65 is: 2,395.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.90 : 4,323.39 = 1,735.65 : x
  2. Step 2: Convert to fraction form
    3,132.90/4,323.39 = 1,735.65/x
  3. Step 3: Cross multiply
    3,132.90x = 4,323.39 × 1,735.65
  4. Step 4: Simplify right side
    3,132.90x = 7,503,891.85
  5. Step 5: Solve for x
    x = 7,503,891.85/3,132.90
  6. Step 6: Final answer
    x = 2,395.19

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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.