Home / 3,860.96-5,327.80-2,182.28

Finding the Fourth Proportional to 3,860.96, 5,327.80 and 2,182.28

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Solution

The fourth proportional to 3,860.96, 5,327.80 and 2,182.28 is: 3,011.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.96 : 5,327.80 = 2,182.28 : x
  2. Step 2: Convert to fraction form
    3,860.96/5,327.80 = 2,182.28/x
  3. Step 3: Cross multiply
    3,860.96x = 5,327.80 × 2,182.28
  4. Step 4: Simplify right side
    3,860.96x = 11,626,719.29
  5. Step 5: Solve for x
    x = 11,626,719.29/3,860.96
  6. Step 6: Final answer
    x = 3,011.36

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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.