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Finding the Fourth Proportional to 3,771, 5,656.50 and 1,035

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Solution

The fourth proportional to 3,771, 5,656.50 and 1,035 is: 1,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771 : 5,656.50 = 1,035 : x
  2. Step 2: Convert to fraction form
    3,771/5,656.50 = 1,035/x
  3. Step 3: Cross multiply
    3,771x = 5,656.50 × 1,035
  4. Step 4: Simplify right side
    3,771x = 5,854,477.50
  5. Step 5: Solve for x
    x = 5,854,477.50/3,771
  6. Step 6: Final answer
    x = 1,552.50

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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.