Home / 2,614.81-3,921.06-1,228.54

Finding the Fourth Proportional to 2,614.81, 3,921.06 and 1,228.54

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Solution

The fourth proportional to 2,614.81, 3,921.06 and 1,228.54 is: 1,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.81 : 3,921.06 = 1,228.54 : x
  2. Step 2: Convert to fraction form
    2,614.81/3,921.06 = 1,228.54/x
  3. Step 3: Cross multiply
    2,614.81x = 3,921.06 × 1,228.54
  4. Step 4: Simplify right side
    2,614.81x = 4,817,179.05
  5. Step 5: Solve for x
    x = 4,817,179.05/2,614.81
  6. Step 6: Final answer
    x = 1,842.27

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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.