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Finding the Fourth Proportional to 2,365.52, 3,546.20 and 977.98

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Solution

The fourth proportional to 2,365.52, 3,546.20 and 977.98 is: 1,466.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,365.52 : 3,546.20 = 977.98 : x
  2. Step 2: Convert to fraction form
    2,365.52/3,546.20 = 977.98/x
  3. Step 3: Cross multiply
    2,365.52x = 3,546.20 × 977.98
  4. Step 4: Simplify right side
    2,365.52x = 3,468,112.68
  5. Step 5: Solve for x
    x = 3,468,112.68/2,365.52
  6. Step 6: Final answer
    x = 1,466.11

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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.