Home / 4,079.39-5,629.43-2,400.41

Finding the Fourth Proportional to 4,079.39, 5,629.43 and 2,400.41

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Solution

The fourth proportional to 4,079.39, 5,629.43 and 2,400.41 is: 3,312.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.39 : 5,629.43 = 2,400.41 : x
  2. Step 2: Convert to fraction form
    4,079.39/5,629.43 = 2,400.41/x
  3. Step 3: Cross multiply
    4,079.39x = 5,629.43 × 2,400.41
  4. Step 4: Simplify right side
    4,079.39x = 13,512,960.14
  5. Step 5: Solve for x
    x = 13,512,960.14/4,079.39
  6. Step 6: Final answer
    x = 3,312.49

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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.