Home / 4,128.06-5,694.38-2,448.40

Finding the Fourth Proportional to 4,128.06, 5,694.38 and 2,448.40

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Solution

The fourth proportional to 4,128.06, 5,694.38 and 2,448.40 is: 3,377.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.06 : 5,694.38 = 2,448.40 : x
  2. Step 2: Convert to fraction form
    4,128.06/5,694.38 = 2,448.40/x
  3. Step 3: Cross multiply
    4,128.06x = 5,694.38 × 2,448.40
  4. Step 4: Simplify right side
    4,128.06x = 13,942,119.99
  5. Step 5: Solve for x
    x = 13,942,119.99/4,128.06
  6. Step 6: Final answer
    x = 3,377.40

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Double scale
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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.