Home / 3,869.82-5,341.73-2,297.91

Finding the Fourth Proportional to 3,869.82, 5,341.73 and 2,297.91

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Solution

The fourth proportional to 3,869.82, 5,341.73 and 2,297.91 is: 3,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.82 : 5,341.73 = 2,297.91 : x
  2. Step 2: Convert to fraction form
    3,869.82/5,341.73 = 2,297.91/x
  3. Step 3: Cross multiply
    3,869.82x = 5,341.73 × 2,297.91
  4. Step 4: Simplify right side
    3,869.82x = 12,274,803.29
  5. Step 5: Solve for x
    x = 12,274,803.29/3,869.82
  6. Step 6: Final answer
    x = 3,171.93

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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.