Home / 3,814.82-5,291.38-3,713.66

Finding the Fourth Proportional to 3,814.82, 5,291.38 and 3,713.66

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Solution

The fourth proportional to 3,814.82, 5,291.38 and 3,713.66 is: 5,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.82 : 5,291.38 = 3,713.66 : x
  2. Step 2: Convert to fraction form
    3,814.82/5,291.38 = 3,713.66/x
  3. Step 3: Cross multiply
    3,814.82x = 5,291.38 × 3,713.66
  4. Step 4: Simplify right side
    3,814.82x = 19,650,386.25
  5. Step 5: Solve for x
    x = 19,650,386.25/3,814.82
  6. Step 6: Final answer
    x = 5,151.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.