Home / 2,908.28-4,358.78-1,263.18

Finding the Fourth Proportional to 2,908.28, 4,358.78 and 1,263.18

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Solution

The fourth proportional to 2,908.28, 4,358.78 and 1,263.18 is: 1,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.28 : 4,358.78 = 1,263.18 : x
  2. Step 2: Convert to fraction form
    2,908.28/4,358.78 = 1,263.18/x
  3. Step 3: Cross multiply
    2,908.28x = 4,358.78 × 1,263.18
  4. Step 4: Simplify right side
    2,908.28x = 5,505,923.72
  5. Step 5: Solve for x
    x = 5,505,923.72/2,908.28
  6. Step 6: Final answer
    x = 1,893.19

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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.