Home / 2,906.79-4,357.08-2,114.25

Finding the Fourth Proportional to 2,906.79, 4,357.08 and 2,114.25

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Solution

The fourth proportional to 2,906.79, 4,357.08 and 2,114.25 is: 3,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.79 : 4,357.08 = 2,114.25 : x
  2. Step 2: Convert to fraction form
    2,906.79/4,357.08 = 2,114.25/x
  3. Step 3: Cross multiply
    2,906.79x = 4,357.08 × 2,114.25
  4. Step 4: Simplify right side
    2,906.79x = 9,211,956.39
  5. Step 5: Solve for x
    x = 9,211,956.39/2,906.79
  6. Step 6: Final answer
    x = 3,169.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.