Home / 3,860.55-5,327.91-2,182.32

Finding the Fourth Proportional to 3,860.55, 5,327.91 and 2,182.32

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Solution

The fourth proportional to 3,860.55, 5,327.91 and 2,182.32 is: 3,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.55 : 5,327.91 = 2,182.32 : x
  2. Step 2: Convert to fraction form
    3,860.55/5,327.91 = 2,182.32/x
  3. Step 3: Cross multiply
    3,860.55x = 5,327.91 × 2,182.32
  4. Step 4: Simplify right side
    3,860.55x = 11,627,204.55
  5. Step 5: Solve for x
    x = 11,627,204.55/3,860.55
  6. Step 6: Final answer
    x = 3,011.80

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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.