Home / 3,486.76-5,223.24-2,100.46

Finding the Fourth Proportional to 3,486.76, 5,223.24 and 2,100.46

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Solution

The fourth proportional to 3,486.76, 5,223.24 and 2,100.46 is: 3,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.76 : 5,223.24 = 2,100.46 : x
  2. Step 2: Convert to fraction form
    3,486.76/5,223.24 = 2,100.46/x
  3. Step 3: Cross multiply
    3,486.76x = 5,223.24 × 2,100.46
  4. Step 4: Simplify right side
    3,486.76x = 10,971,206.69
  5. Step 5: Solve for x
    x = 10,971,206.69/3,486.76
  6. Step 6: Final answer
    x = 3,146.53

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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.