Home / 3,212.26-4,432.90-1,740.26

Finding the Fourth Proportional to 3,212.26, 4,432.90 and 1,740.26

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Solution

The fourth proportional to 3,212.26, 4,432.90 and 1,740.26 is: 2,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.26 : 4,432.90 = 1,740.26 : x
  2. Step 2: Convert to fraction form
    3,212.26/4,432.90 = 1,740.26/x
  3. Step 3: Cross multiply
    3,212.26x = 4,432.90 × 1,740.26
  4. Step 4: Simplify right side
    3,212.26x = 7,714,398.55
  5. Step 5: Solve for x
    x = 7,714,398.55/3,212.26
  6. Step 6: Final answer
    x = 2,401.55

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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.