Home / 3,776.30-5,210.92-2,097.62

Finding the Fourth Proportional to 3,776.30, 5,210.92 and 2,097.62

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Solution

The fourth proportional to 3,776.30, 5,210.92 and 2,097.62 is: 2,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.30 : 5,210.92 = 2,097.62 : x
  2. Step 2: Convert to fraction form
    3,776.30/5,210.92 = 2,097.62/x
  3. Step 3: Cross multiply
    3,776.30x = 5,210.92 × 2,097.62
  4. Step 4: Simplify right side
    3,776.30x = 10,930,530.01
  5. Step 5: Solve for x
    x = 10,930,530.01/3,776.30
  6. Step 6: Final answer
    x = 2,894.51

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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.