Home / 2,867.14-3,956.87-1,608.19

Finding the Fourth Proportional to 2,867.14, 3,956.87 and 1,608.19

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Solution

The fourth proportional to 2,867.14, 3,956.87 and 1,608.19 is: 2,219.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.14 : 3,956.87 = 1,608.19 : x
  2. Step 2: Convert to fraction form
    2,867.14/3,956.87 = 1,608.19/x
  3. Step 3: Cross multiply
    2,867.14x = 3,956.87 × 1,608.19
  4. Step 4: Simplify right side
    2,867.14x = 6,363,398.77
  5. Step 5: Solve for x
    x = 6,363,398.77/2,867.14
  6. Step 6: Final answer
    x = 2,219.42

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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.