Home / 3,250.30-4,871.88-1,275.33

Finding the Fourth Proportional to 3,250.30, 4,871.88 and 1,275.33

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Solution

The fourth proportional to 3,250.30, 4,871.88 and 1,275.33 is: 1,911.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.30 : 4,871.88 = 1,275.33 : x
  2. Step 2: Convert to fraction form
    3,250.30/4,871.88 = 1,275.33/x
  3. Step 3: Cross multiply
    3,250.30x = 4,871.88 × 1,275.33
  4. Step 4: Simplify right side
    3,250.30x = 6,213,254.72
  5. Step 5: Solve for x
    x = 6,213,254.72/3,250.30
  6. Step 6: Final answer
    x = 1,911.59

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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.