Home / 3,222.80-4,834.88-1,031.68

Finding the Fourth Proportional to 3,222.80, 4,834.88 and 1,031.68

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Solution

The fourth proportional to 3,222.80, 4,834.88 and 1,031.68 is: 1,547.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.80 : 4,834.88 = 1,031.68 : x
  2. Step 2: Convert to fraction form
    3,222.80/4,834.88 = 1,031.68/x
  3. Step 3: Cross multiply
    3,222.80x = 4,834.88 × 1,031.68
  4. Step 4: Simplify right side
    3,222.80x = 4,988,049.00
  5. Step 5: Solve for x
    x = 4,988,049.00/3,222.80
  6. Step 6: Final answer
    x = 1,547.74

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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.