Home / 2,347.82-3,240.09-1,299.81

Finding the Fourth Proportional to 2,347.82, 3,240.09 and 1,299.81

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Solution

The fourth proportional to 2,347.82, 3,240.09 and 1,299.81 is: 1,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.82 : 3,240.09 = 1,299.81 : x
  2. Step 2: Convert to fraction form
    2,347.82/3,240.09 = 1,299.81/x
  3. Step 3: Cross multiply
    2,347.82x = 3,240.09 × 1,299.81
  4. Step 4: Simplify right side
    2,347.82x = 4,211,501.38
  5. Step 5: Solve for x
    x = 4,211,501.38/2,347.82
  6. Step 6: Final answer
    x = 1,793.79

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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.