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Finding the Fourth Proportional to 2,364.50, 3,546.95 and 977.58

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Solution

The fourth proportional to 2,364.50, 3,546.95 and 977.58 is: 1,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.50 : 3,546.95 = 977.58 : x
  2. Step 2: Convert to fraction form
    2,364.50/3,546.95 = 977.58/x
  3. Step 3: Cross multiply
    2,364.50x = 3,546.95 × 977.58
  4. Step 4: Simplify right side
    2,364.50x = 3,467,422.49
  5. Step 5: Solve for x
    x = 3,467,422.49/2,364.50
  6. Step 6: Final answer
    x = 1,466.45

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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.