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Finding the Fourth Proportional to 3,671.03, 5,506.56 and 2,580.28

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Solution

The fourth proportional to 3,671.03, 5,506.56 and 2,580.28 is: 3,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.03 : 5,506.56 = 2,580.28 : x
  2. Step 2: Convert to fraction form
    3,671.03/5,506.56 = 2,580.28/x
  3. Step 3: Cross multiply
    3,671.03x = 5,506.56 × 2,580.28
  4. Step 4: Simplify right side
    3,671.03x = 14,208,452.87
  5. Step 5: Solve for x
    x = 14,208,452.87/3,671.03
  6. Step 6: Final answer
    x = 3,870.42

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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.