Home / 3,421.05-5,141.19-2,034.63

Finding the Fourth Proportional to 3,421.05, 5,141.19 and 2,034.63

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Solution

The fourth proportional to 3,421.05, 5,141.19 and 2,034.63 is: 3,057.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.05 : 5,141.19 = 2,034.63 : x
  2. Step 2: Convert to fraction form
    3,421.05/5,141.19 = 2,034.63/x
  3. Step 3: Cross multiply
    3,421.05x = 5,141.19 × 2,034.63
  4. Step 4: Simplify right side
    3,421.05x = 10,460,419.41
  5. Step 5: Solve for x
    x = 10,460,419.41/3,421.05
  6. Step 6: Final answer
    x = 3,057.66

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1.5x scale

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.