Home / 3,498.48-5,247.68-1,418.46

Finding the Fourth Proportional to 3,498.48, 5,247.68 and 1,418.46

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Solution

The fourth proportional to 3,498.48, 5,247.68 and 1,418.46 is: 2,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.48 : 5,247.68 = 1,418.46 : x
  2. Step 2: Convert to fraction form
    3,498.48/5,247.68 = 1,418.46/x
  3. Step 3: Cross multiply
    3,498.48x = 5,247.68 × 1,418.46
  4. Step 4: Simplify right side
    3,498.48x = 7,443,624.17
  5. Step 5: Solve for x
    x = 7,443,624.17/3,498.48
  6. Step 6: Final answer
    x = 2,127.67

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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.