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Finding the Fourth Proportional to 1,035.82, 1,552.38 and 547.84

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Solution

The fourth proportional to 1,035.82, 1,552.38 and 547.84 is: 821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.82 : 1,552.38 = 547.84 : x
  2. Step 2: Convert to fraction form
    1,035.82/1,552.38 = 547.84/x
  3. Step 3: Cross multiply
    1,035.82x = 1,552.38 × 547.84
  4. Step 4: Simplify right side
    1,035.82x = 850,455.86
  5. Step 5: Solve for x
    x = 850,455.86/1,035.82
  6. Step 6: Final answer
    x = 821.05

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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.