Home / 3,309.24-4,964.31-1,118.60

Finding the Fourth Proportional to 3,309.24, 4,964.31 and 1,118.60

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Solution

The fourth proportional to 3,309.24, 4,964.31 and 1,118.60 is: 1,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.24 : 4,964.31 = 1,118.60 : x
  2. Step 2: Convert to fraction form
    3,309.24/4,964.31 = 1,118.60/x
  3. Step 3: Cross multiply
    3,309.24x = 4,964.31 × 1,118.60
  4. Step 4: Simplify right side
    3,309.24x = 5,553,052.34
  5. Step 5: Solve for x
    x = 5,553,052.34/3,309.24
  6. Step 6: Final answer
    x = 1,678.04

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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.