Home / 4,187.14-5,778.54-2,418.88

Finding the Fourth Proportional to 4,187.14, 5,778.54 and 2,418.88

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Solution

The fourth proportional to 4,187.14, 5,778.54 and 2,418.88 is: 3,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.14 : 5,778.54 = 2,418.88 : x
  2. Step 2: Convert to fraction form
    4,187.14/5,778.54 = 2,418.88/x
  3. Step 3: Cross multiply
    4,187.14x = 5,778.54 × 2,418.88
  4. Step 4: Simplify right side
    4,187.14x = 13,977,594.84
  5. Step 5: Solve for x
    x = 13,977,594.84/4,187.14
  6. Step 6: Final answer
    x = 3,338.22

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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.