Home / 3,347.95-5,021.21-2,113.71

Finding the Fourth Proportional to 3,347.95, 5,021.21 and 2,113.71

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Solution

The fourth proportional to 3,347.95, 5,021.21 and 2,113.71 is: 3,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.95 : 5,021.21 = 2,113.71 : x
  2. Step 2: Convert to fraction form
    3,347.95/5,021.21 = 2,113.71/x
  3. Step 3: Cross multiply
    3,347.95x = 5,021.21 × 2,113.71
  4. Step 4: Simplify right side
    3,347.95x = 10,613,390.05
  5. Step 5: Solve for x
    x = 10,613,390.05/3,347.95
  6. Step 6: Final answer
    x = 3,170.11

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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.