Home / 3,860.88-5,327.73-2,182.35

Finding the Fourth Proportional to 3,860.88, 5,327.73 and 2,182.35

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Solution

The fourth proportional to 3,860.88, 5,327.73 and 2,182.35 is: 3,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.88 : 5,327.73 = 2,182.35 : x
  2. Step 2: Convert to fraction form
    3,860.88/5,327.73 = 2,182.35/x
  3. Step 3: Cross multiply
    3,860.88x = 5,327.73 × 2,182.35
  4. Step 4: Simplify right side
    3,860.88x = 11,626,971.57
  5. Step 5: Solve for x
    x = 11,626,971.57/3,860.88
  6. Step 6: Final answer
    x = 3,011.48

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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.