Home / 3,860.86-5,327.73-2,182.36

Finding the Fourth Proportional to 3,860.86, 5,327.73 and 2,182.36

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Solution

The fourth proportional to 3,860.86, 5,327.73 and 2,182.36 is: 3,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.86 : 5,327.73 = 2,182.36 : x
  2. Step 2: Convert to fraction form
    3,860.86/5,327.73 = 2,182.36/x
  3. Step 3: Cross multiply
    3,860.86x = 5,327.73 × 2,182.36
  4. Step 4: Simplify right side
    3,860.86x = 11,627,024.84
  5. Step 5: Solve for x
    x = 11,627,024.84/3,860.86
  6. Step 6: Final answer
    x = 3,011.51

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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.