Home / 2,614.36-3,921.56-949.66

Finding the Fourth Proportional to 2,614.36, 3,921.56 and 949.66

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Solution

The fourth proportional to 2,614.36, 3,921.56 and 949.66 is: 1,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.36 : 3,921.56 = 949.66 : x
  2. Step 2: Convert to fraction form
    2,614.36/3,921.56 = 949.66/x
  3. Step 3: Cross multiply
    2,614.36x = 3,921.56 × 949.66
  4. Step 4: Simplify right side
    2,614.36x = 3,724,148.67
  5. Step 5: Solve for x
    x = 3,724,148.67/2,614.36
  6. Step 6: Final answer
    x = 1,424.50

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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.