Home / 3,186.54-4,397.29-1,860.37

Finding the Fourth Proportional to 3,186.54, 4,397.29 and 1,860.37

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Solution

The fourth proportional to 3,186.54, 4,397.29 and 1,860.37 is: 2,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.54 : 4,397.29 = 1,860.37 : x
  2. Step 2: Convert to fraction form
    3,186.54/4,397.29 = 1,860.37/x
  3. Step 3: Cross multiply
    3,186.54x = 4,397.29 × 1,860.37
  4. Step 4: Simplify right side
    3,186.54x = 8,180,570.75
  5. Step 5: Solve for x
    x = 8,180,570.75/3,186.54
  6. Step 6: Final answer
    x = 2,567.23

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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.