Home / 2,935.36-4,399.20-1,205.28

Finding the Fourth Proportional to 2,935.36, 4,399.20 and 1,205.28

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Solution

The fourth proportional to 2,935.36, 4,399.20 and 1,205.28 is: 1,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.36 : 4,399.20 = 1,205.28 : x
  2. Step 2: Convert to fraction form
    2,935.36/4,399.20 = 1,205.28/x
  3. Step 3: Cross multiply
    2,935.36x = 4,399.20 × 1,205.28
  4. Step 4: Simplify right side
    2,935.36x = 5,302,267.78
  5. Step 5: Solve for x
    x = 5,302,267.78/2,935.36
  6. Step 6: Final answer
    x = 1,806.34

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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.