Home / 2,212.04-3,318.10-673.08

Finding the Fourth Proportional to 2,212.04, 3,318.10 and 673.08

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Solution

The fourth proportional to 2,212.04, 3,318.10 and 673.08 is: 1,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.04 : 3,318.10 = 673.08 : x
  2. Step 2: Convert to fraction form
    2,212.04/3,318.10 = 673.08/x
  3. Step 3: Cross multiply
    2,212.04x = 3,318.10 × 673.08
  4. Step 4: Simplify right side
    2,212.04x = 2,233,346.75
  5. Step 5: Solve for x
    x = 2,233,346.75/2,212.04
  6. Step 6: Final answer
    x = 1,009.63

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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.