Home / 3,487.72-5,231.60-1,022.52

Finding the Fourth Proportional to 3,487.72, 5,231.60 and 1,022.52

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Solution

The fourth proportional to 3,487.72, 5,231.60 and 1,022.52 is: 1,533.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.72 : 5,231.60 = 1,022.52 : x
  2. Step 2: Convert to fraction form
    3,487.72/5,231.60 = 1,022.52/x
  3. Step 3: Cross multiply
    3,487.72x = 5,231.60 × 1,022.52
  4. Step 4: Simplify right side
    3,487.72x = 5,349,415.63
  5. Step 5: Solve for x
    x = 5,349,415.63/3,487.72
  6. Step 6: Final answer
    x = 1,533.79

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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.