Home / 3,776.10-5,211.20-2,097.51

Finding the Fourth Proportional to 3,776.10, 5,211.20 and 2,097.51

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Solution

The fourth proportional to 3,776.10, 5,211.20 and 2,097.51 is: 2,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.10 : 5,211.20 = 2,097.51 : x
  2. Step 2: Convert to fraction form
    3,776.10/5,211.20 = 2,097.51/x
  3. Step 3: Cross multiply
    3,776.10x = 5,211.20 × 2,097.51
  4. Step 4: Simplify right side
    3,776.10x = 10,930,533.62
  5. Step 5: Solve for x
    x = 10,930,533.62/3,776.10
  6. Step 6: Final answer
    x = 2,894.66

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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.