Home / 2,403.38-3,316.66-1,299.38

Finding the Fourth Proportional to 2,403.38, 3,316.66 and 1,299.38

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Solution

The fourth proportional to 2,403.38, 3,316.66 and 1,299.38 is: 1,793.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.38 : 3,316.66 = 1,299.38 : x
  2. Step 2: Convert to fraction form
    2,403.38/3,316.66 = 1,299.38/x
  3. Step 3: Cross multiply
    2,403.38x = 3,316.66 × 1,299.38
  4. Step 4: Simplify right side
    2,403.38x = 4,309,601.67
  5. Step 5: Solve for x
    x = 4,309,601.67/2,403.38
  6. Step 6: Final answer
    x = 1,793.14

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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.