Home / 3,212.29-4,432.68-1,795.80

Finding the Fourth Proportional to 3,212.29, 4,432.68 and 1,795.80

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Solution

The fourth proportional to 3,212.29, 4,432.68 and 1,795.80 is: 2,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.29 : 4,432.68 = 1,795.80 : x
  2. Step 2: Convert to fraction form
    3,212.29/4,432.68 = 1,795.80/x
  3. Step 3: Cross multiply
    3,212.29x = 4,432.68 × 1,795.80
  4. Step 4: Simplify right side
    3,212.29x = 7,960,206.74
  5. Step 5: Solve for x
    x = 7,960,206.74/3,212.29
  6. Step 6: Final answer
    x = 2,478.05

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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.