Home / 3,537.68-4,882.01-2,122.81

Finding the Fourth Proportional to 3,537.68, 4,882.01 and 2,122.81

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Solution

The fourth proportional to 3,537.68, 4,882.01 and 2,122.81 is: 2,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.68 : 4,882.01 = 2,122.81 : x
  2. Step 2: Convert to fraction form
    3,537.68/4,882.01 = 2,122.81/x
  3. Step 3: Cross multiply
    3,537.68x = 4,882.01 × 2,122.81
  4. Step 4: Simplify right side
    3,537.68x = 10,363,556.83
  5. Step 5: Solve for x
    x = 10,363,556.83/3,537.68
  6. Step 6: Final answer
    x = 2,929.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.