Home / 3,309.30-4,566.69-1,982.70

Finding the Fourth Proportional to 3,309.30, 4,566.69 and 1,982.70

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Solution

The fourth proportional to 3,309.30, 4,566.69 and 1,982.70 is: 2,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.30 : 4,566.69 = 1,982.70 : x
  2. Step 2: Convert to fraction form
    3,309.30/4,566.69 = 1,982.70/x
  3. Step 3: Cross multiply
    3,309.30x = 4,566.69 × 1,982.70
  4. Step 4: Simplify right side
    3,309.30x = 9,054,376.26
  5. Step 5: Solve for x
    x = 9,054,376.26/3,309.30
  6. Step 6: Final answer
    x = 2,736.04

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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.