Home / 2,493.47-3,440.97-1,374.39

Finding the Fourth Proportional to 2,493.47, 3,440.97 and 1,374.39

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Solution

The fourth proportional to 2,493.47, 3,440.97 and 1,374.39 is: 1,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.47 : 3,440.97 = 1,374.39 : x
  2. Step 2: Convert to fraction form
    2,493.47/3,440.97 = 1,374.39/x
  3. Step 3: Cross multiply
    2,493.47x = 3,440.97 × 1,374.39
  4. Step 4: Simplify right side
    2,493.47x = 4,729,234.76
  5. Step 5: Solve for x
    x = 4,729,234.76/2,493.47
  6. Step 6: Final answer
    x = 1,896.65

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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.