Home / 2,186.86-3,017.62-1,302.49

Finding the Fourth Proportional to 2,186.86, 3,017.62 and 1,302.49

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Solution

The fourth proportional to 2,186.86, 3,017.62 and 1,302.49 is: 1,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.86 : 3,017.62 = 1,302.49 : x
  2. Step 2: Convert to fraction form
    2,186.86/3,017.62 = 1,302.49/x
  3. Step 3: Cross multiply
    2,186.86x = 3,017.62 × 1,302.49
  4. Step 4: Simplify right side
    2,186.86x = 3,930,419.87
  5. Step 5: Solve for x
    x = 3,930,419.87/2,186.86
  6. Step 6: Final answer
    x = 1,797.29

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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.