Home / 3,251.02-4,488.46-2,308.79

Finding the Fourth Proportional to 3,251.02, 4,488.46 and 2,308.79

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Solution

The fourth proportional to 3,251.02, 4,488.46 and 2,308.79 is: 3,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.02 : 4,488.46 = 2,308.79 : x
  2. Step 2: Convert to fraction form
    3,251.02/4,488.46 = 2,308.79/x
  3. Step 3: Cross multiply
    3,251.02x = 4,488.46 × 2,308.79
  4. Step 4: Simplify right side
    3,251.02x = 10,362,911.56
  5. Step 5: Solve for x
    x = 10,362,911.56/3,251.02
  6. Step 6: Final answer
    x = 3,187.59

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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.