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Finding the Fourth Proportional to 3,530.18, 5,295 and 897.68

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Solution

The fourth proportional to 3,530.18, 5,295 and 897.68 is: 1,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.18 : 5,295 = 897.68 : x
  2. Step 2: Convert to fraction form
    3,530.18/5,295 = 897.68/x
  3. Step 3: Cross multiply
    3,530.18x = 5,295 × 897.68
  4. Step 4: Simplify right side
    3,530.18x = 4,753,215.60
  5. Step 5: Solve for x
    x = 4,753,215.60/3,530.18
  6. Step 6: Final answer
    x = 1,346.45

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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.