Home / 3,681.88-5,081.01-2,110.07

Finding the Fourth Proportional to 3,681.88, 5,081.01 and 2,110.07

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Solution

The fourth proportional to 3,681.88, 5,081.01 and 2,110.07 is: 2,911.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.88 : 5,081.01 = 2,110.07 : x
  2. Step 2: Convert to fraction form
    3,681.88/5,081.01 = 2,110.07/x
  3. Step 3: Cross multiply
    3,681.88x = 5,081.01 × 2,110.07
  4. Step 4: Simplify right side
    3,681.88x = 10,721,286.77
  5. Step 5: Solve for x
    x = 10,721,286.77/3,681.88
  6. Step 6: Final answer
    x = 2,911.91

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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.