Home / 3,308.65-4,959.41-1,641.06

Finding the Fourth Proportional to 3,308.65, 4,959.41 and 1,641.06

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Solution

The fourth proportional to 3,308.65, 4,959.41 and 1,641.06 is: 2,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.65 : 4,959.41 = 1,641.06 : x
  2. Step 2: Convert to fraction form
    3,308.65/4,959.41 = 1,641.06/x
  3. Step 3: Cross multiply
    3,308.65x = 4,959.41 × 1,641.06
  4. Step 4: Simplify right side
    3,308.65x = 8,138,690.40
  5. Step 5: Solve for x
    x = 8,138,690.40/3,308.65
  6. Step 6: Final answer
    x = 2,459.82

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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.