Home / 2,442.05-3,369.60-1,447.57

Finding the Fourth Proportional to 2,442.05, 3,369.60 and 1,447.57

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Solution

The fourth proportional to 2,442.05, 3,369.60 and 1,447.57 is: 1,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.05 : 3,369.60 = 1,447.57 : x
  2. Step 2: Convert to fraction form
    2,442.05/3,369.60 = 1,447.57/x
  3. Step 3: Cross multiply
    2,442.05x = 3,369.60 × 1,447.57
  4. Step 4: Simplify right side
    2,442.05x = 4,877,736.08
  5. Step 5: Solve for x
    x = 4,877,736.08/2,442.05
  6. Step 6: Final answer
    x = 1,997.40

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1.5x scale

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.