Home / 2,347.55-3,239.28-1,299.61

Finding the Fourth Proportional to 2,347.55, 3,239.28 and 1,299.61

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Solution

The fourth proportional to 2,347.55, 3,239.28 and 1,299.61 is: 1,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.55 : 3,239.28 = 1,299.61 : x
  2. Step 2: Convert to fraction form
    2,347.55/3,239.28 = 1,299.61/x
  3. Step 3: Cross multiply
    2,347.55x = 3,239.28 × 1,299.61
  4. Step 4: Simplify right side
    2,347.55x = 4,209,800.68
  5. Step 5: Solve for x
    x = 4,209,800.68/2,347.55
  6. Step 6: Final answer
    x = 1,793.27

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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.