Home / 2,327.49-3,211.65-1,383.30

Finding the Fourth Proportional to 2,327.49, 3,211.65 and 1,383.30

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Solution

The fourth proportional to 2,327.49, 3,211.65 and 1,383.30 is: 1,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.49 : 3,211.65 = 1,383.30 : x
  2. Step 2: Convert to fraction form
    2,327.49/3,211.65 = 1,383.30/x
  3. Step 3: Cross multiply
    2,327.49x = 3,211.65 × 1,383.30
  4. Step 4: Simplify right side
    2,327.49x = 4,442,675.45
  5. Step 5: Solve for x
    x = 4,442,675.45/2,327.49
  6. Step 6: Final answer
    x = 1,908.78

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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.