Home / 3,840.24-5,764.68-1,533.36

Finding the Fourth Proportional to 3,840.24, 5,764.68 and 1,533.36

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Solution

The fourth proportional to 3,840.24, 5,764.68 and 1,533.36 is: 2,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.24 : 5,764.68 = 1,533.36 : x
  2. Step 2: Convert to fraction form
    3,840.24/5,764.68 = 1,533.36/x
  3. Step 3: Cross multiply
    3,840.24x = 5,764.68 × 1,533.36
  4. Step 4: Simplify right side
    3,840.24x = 8,839,329.72
  5. Step 5: Solve for x
    x = 8,839,329.72/3,840.24
  6. Step 6: Final answer
    x = 2,301.76

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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.