Home / 3,206.24-4,807.42-1,561.14

Finding the Fourth Proportional to 3,206.24, 4,807.42 and 1,561.14

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Solution

The fourth proportional to 3,206.24, 4,807.42 and 1,561.14 is: 2,340.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.24 : 4,807.42 = 1,561.14 : x
  2. Step 2: Convert to fraction form
    3,206.24/4,807.42 = 1,561.14/x
  3. Step 3: Cross multiply
    3,206.24x = 4,807.42 × 1,561.14
  4. Step 4: Simplify right side
    3,206.24x = 7,505,055.66
  5. Step 5: Solve for x
    x = 7,505,055.66/3,206.24
  6. Step 6: Final answer
    x = 2,340.77

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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.