Home / 3,620.61-4,994.60-2,442.87

Finding the Fourth Proportional to 3,620.61, 4,994.60 and 2,442.87

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Solution

The fourth proportional to 3,620.61, 4,994.60 and 2,442.87 is: 3,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.61 : 4,994.60 = 2,442.87 : x
  2. Step 2: Convert to fraction form
    3,620.61/4,994.60 = 2,442.87/x
  3. Step 3: Cross multiply
    3,620.61x = 4,994.60 × 2,442.87
  4. Step 4: Simplify right side
    3,620.61x = 12,201,146.29
  5. Step 5: Solve for x
    x = 12,201,146.29/3,620.61
  6. Step 6: Final answer
    x = 3,369.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.