Home / 2,347.82-3,240.02-1,299.88

Finding the Fourth Proportional to 2,347.82, 3,240.02 and 1,299.88

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Solution

The fourth proportional to 2,347.82, 3,240.02 and 1,299.88 is: 1,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.82 : 3,240.02 = 1,299.88 : x
  2. Step 2: Convert to fraction form
    2,347.82/3,240.02 = 1,299.88/x
  3. Step 3: Cross multiply
    2,347.82x = 3,240.02 × 1,299.88
  4. Step 4: Simplify right side
    2,347.82x = 4,211,614.50
  5. Step 5: Solve for x
    x = 4,211,614.50/2,347.82
  6. Step 6: Final answer
    x = 1,793.84

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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.