Home / 2,412.88-3,326.56-2,166.85

Finding the Fourth Proportional to 2,412.88, 3,326.56 and 2,166.85

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Solution

The fourth proportional to 2,412.88, 3,326.56 and 2,166.85 is: 2,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.88 : 3,326.56 = 2,166.85 : x
  2. Step 2: Convert to fraction form
    2,412.88/3,326.56 = 2,166.85/x
  3. Step 3: Cross multiply
    2,412.88x = 3,326.56 × 2,166.85
  4. Step 4: Simplify right side
    2,412.88x = 7,208,156.54
  5. Step 5: Solve for x
    x = 7,208,156.54/2,412.88
  6. Step 6: Final answer
    x = 2,987.37

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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.