Home / 3,253.69-4,883.30-1,280.71

Finding the Fourth Proportional to 3,253.69, 4,883.30 and 1,280.71

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Solution

The fourth proportional to 3,253.69, 4,883.30 and 1,280.71 is: 1,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.69 : 4,883.30 = 1,280.71 : x
  2. Step 2: Convert to fraction form
    3,253.69/4,883.30 = 1,280.71/x
  3. Step 3: Cross multiply
    3,253.69x = 4,883.30 × 1,280.71
  4. Step 4: Simplify right side
    3,253.69x = 6,254,091.14
  5. Step 5: Solve for x
    x = 6,254,091.14/3,253.69
  6. Step 6: Final answer
    x = 1,922.15

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1.5x scale

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.