Home / 3,272.80-4,905.60-1,712.20

Finding the Fourth Proportional to 3,272.80, 4,905.60 and 1,712.20

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Solution

The fourth proportional to 3,272.80, 4,905.60 and 1,712.20 is: 2,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.80 : 4,905.60 = 1,712.20 : x
  2. Step 2: Convert to fraction form
    3,272.80/4,905.60 = 1,712.20/x
  3. Step 3: Cross multiply
    3,272.80x = 4,905.60 × 1,712.20
  4. Step 4: Simplify right side
    3,272.80x = 8,399,368.32
  5. Step 5: Solve for x
    x = 8,399,368.32/3,272.80
  6. Step 6: Final answer
    x = 2,566.42

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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.