Home / 3,442.88-5,161.56-1,493.72

Finding the Fourth Proportional to 3,442.88, 5,161.56 and 1,493.72

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Solution

The fourth proportional to 3,442.88, 5,161.56 and 1,493.72 is: 2,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.88 : 5,161.56 = 1,493.72 : x
  2. Step 2: Convert to fraction form
    3,442.88/5,161.56 = 1,493.72/x
  3. Step 3: Cross multiply
    3,442.88x = 5,161.56 × 1,493.72
  4. Step 4: Simplify right side
    3,442.88x = 7,709,925.40
  5. Step 5: Solve for x
    x = 7,709,925.40/3,442.88
  6. Step 6: Final answer
    x = 2,239.38

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1.5x scale

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.