Home / 3,677.13-5,074.43-2,021.13

Finding the Fourth Proportional to 3,677.13, 5,074.43 and 2,021.13

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Solution

The fourth proportional to 3,677.13, 5,074.43 and 2,021.13 is: 2,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.13 : 5,074.43 = 2,021.13 : x
  2. Step 2: Convert to fraction form
    3,677.13/5,074.43 = 2,021.13/x
  3. Step 3: Cross multiply
    3,677.13x = 5,074.43 × 2,021.13
  4. Step 4: Simplify right side
    3,677.13x = 10,256,082.71
  5. Step 5: Solve for x
    x = 10,256,082.71/3,677.13
  6. Step 6: Final answer
    x = 2,789.15

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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.