Home / 2,342.47-3,508.68-1,108.03

Finding the Fourth Proportional to 2,342.47, 3,508.68 and 1,108.03

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Solution

The fourth proportional to 2,342.47, 3,508.68 and 1,108.03 is: 1,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.47 : 3,508.68 = 1,108.03 : x
  2. Step 2: Convert to fraction form
    2,342.47/3,508.68 = 1,108.03/x
  3. Step 3: Cross multiply
    2,342.47x = 3,508.68 × 1,108.03
  4. Step 4: Simplify right side
    2,342.47x = 3,887,722.70
  5. Step 5: Solve for x
    x = 3,887,722.70/2,342.47
  6. Step 6: Final answer
    x = 1,659.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.