Home / 2,908.12-4,013.59-1,863.22

Finding the Fourth Proportional to 2,908.12, 4,013.59 and 1,863.22

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Solution

The fourth proportional to 2,908.12, 4,013.59 and 1,863.22 is: 2,571.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.12 : 4,013.59 = 1,863.22 : x
  2. Step 2: Convert to fraction form
    2,908.12/4,013.59 = 1,863.22/x
  3. Step 3: Cross multiply
    2,908.12x = 4,013.59 × 1,863.22
  4. Step 4: Simplify right side
    2,908.12x = 7,478,201.16
  5. Step 5: Solve for x
    x = 7,478,201.16/2,908.12
  6. Step 6: Final answer
    x = 2,571.49

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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.