Home / 2,442.42-3,369.81-1,447.32

Finding the Fourth Proportional to 2,442.42, 3,369.81 and 1,447.32

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Solution

The fourth proportional to 2,442.42, 3,369.81 and 1,447.32 is: 1,996.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.42 : 3,369.81 = 1,447.32 : x
  2. Step 2: Convert to fraction form
    2,442.42/3,369.81 = 1,447.32/x
  3. Step 3: Cross multiply
    2,442.42x = 3,369.81 × 1,447.32
  4. Step 4: Simplify right side
    2,442.42x = 4,877,193.41
  5. Step 5: Solve for x
    x = 4,877,193.41/2,442.42
  6. Step 6: Final answer
    x = 1,996.87

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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.