Home / 3,283.20-4,920.48-1,641.60

Finding the Fourth Proportional to 3,283.20, 4,920.48 and 1,641.60

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Solution

The fourth proportional to 3,283.20, 4,920.48 and 1,641.60 is: 2,460.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.20 : 4,920.48 = 1,641.60 : x
  2. Step 2: Convert to fraction form
    3,283.20/4,920.48 = 1,641.60/x
  3. Step 3: Cross multiply
    3,283.20x = 4,920.48 × 1,641.60
  4. Step 4: Simplify right side
    3,283.20x = 8,077,459.97
  5. Step 5: Solve for x
    x = 8,077,459.97/3,283.20
  6. Step 6: Final answer
    x = 2,460.24

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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.