Home / 3,780.27-5,217.01-2,102.05

Finding the Fourth Proportional to 3,780.27, 5,217.01 and 2,102.05

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Solution

The fourth proportional to 3,780.27, 5,217.01 and 2,102.05 is: 2,900.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780.27 : 5,217.01 = 2,102.05 : x
  2. Step 2: Convert to fraction form
    3,780.27/5,217.01 = 2,102.05/x
  3. Step 3: Cross multiply
    3,780.27x = 5,217.01 × 2,102.05
  4. Step 4: Simplify right side
    3,780.27x = 10,966,417.14
  5. Step 5: Solve for x
    x = 10,966,417.14/3,780.27
  6. Step 6: Final answer
    x = 2,900.96

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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.