Home / 3,860.68-5,327.93-2,182.16

Finding the Fourth Proportional to 3,860.68, 5,327.93 and 2,182.16

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Solution

The fourth proportional to 3,860.68, 5,327.93 and 2,182.16 is: 3,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.68 : 5,327.93 = 2,182.16 : x
  2. Step 2: Convert to fraction form
    3,860.68/5,327.93 = 2,182.16/x
  3. Step 3: Cross multiply
    3,860.68x = 5,327.93 × 2,182.16
  4. Step 4: Simplify right side
    3,860.68x = 11,626,395.73
  5. Step 5: Solve for x
    x = 11,626,395.73/3,860.68
  6. Step 6: Final answer
    x = 3,011.49

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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.