Home / 3,212.13-4,432.83-1,795.78

Finding the Fourth Proportional to 3,212.13, 4,432.83 and 1,795.78

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Solution

The fourth proportional to 3,212.13, 4,432.83 and 1,795.78 is: 2,478.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.13 : 4,432.83 = 1,795.78 : x
  2. Step 2: Convert to fraction form
    3,212.13/4,432.83 = 1,795.78/x
  3. Step 3: Cross multiply
    3,212.13x = 4,432.83 × 1,795.78
  4. Step 4: Simplify right side
    3,212.13x = 7,960,365.29
  5. Step 5: Solve for x
    x = 7,960,365.29/3,212.13
  6. Step 6: Final answer
    x = 2,478.22

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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.