Home / 2,493.58-3,440.87-1,431.06

Finding the Fourth Proportional to 2,493.58, 3,440.87 and 1,431.06

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Solution

The fourth proportional to 2,493.58, 3,440.87 and 1,431.06 is: 1,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.58 : 3,440.87 = 1,431.06 : x
  2. Step 2: Convert to fraction form
    2,493.58/3,440.87 = 1,431.06/x
  3. Step 3: Cross multiply
    2,493.58x = 3,440.87 × 1,431.06
  4. Step 4: Simplify right side
    2,493.58x = 4,924,102.54
  5. Step 5: Solve for x
    x = 4,924,102.54/2,493.58
  6. Step 6: Final answer
    x = 1,974.71

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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.