Home / 2,204.89-3,309.77-1,281.49

Finding the Fourth Proportional to 2,204.89, 3,309.77 and 1,281.49

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Solution

The fourth proportional to 2,204.89, 3,309.77 and 1,281.49 is: 1,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.89 : 3,309.77 = 1,281.49 : x
  2. Step 2: Convert to fraction form
    2,204.89/3,309.77 = 1,281.49/x
  3. Step 3: Cross multiply
    2,204.89x = 3,309.77 × 1,281.49
  4. Step 4: Simplify right side
    2,204.89x = 4,241,437.16
  5. Step 5: Solve for x
    x = 4,241,437.16/2,204.89
  6. Step 6: Final answer
    x = 1,923.65

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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.