Home / 3,860.51-5,327.48-2,182.46

Finding the Fourth Proportional to 3,860.51, 5,327.48 and 2,182.46

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Solution

The fourth proportional to 3,860.51, 5,327.48 and 2,182.46 is: 3,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.51 : 5,327.48 = 2,182.46 : x
  2. Step 2: Convert to fraction form
    3,860.51/5,327.48 = 2,182.46/x
  3. Step 3: Cross multiply
    3,860.51x = 5,327.48 × 2,182.46
  4. Step 4: Simplify right side
    3,860.51x = 11,627,012.00
  5. Step 5: Solve for x
    x = 11,627,012.00/3,860.51
  6. Step 6: Final answer
    x = 3,011.78

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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.