Home / 2,493.14-3,440.49-1,445.30

Finding the Fourth Proportional to 2,493.14, 3,440.49 and 1,445.30

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Solution

The fourth proportional to 2,493.14, 3,440.49 and 1,445.30 is: 1,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.14 : 3,440.49 = 1,445.30 : x
  2. Step 2: Convert to fraction form
    2,493.14/3,440.49 = 1,445.30/x
  3. Step 3: Cross multiply
    2,493.14x = 3,440.49 × 1,445.30
  4. Step 4: Simplify right side
    2,493.14x = 4,972,540.20
  5. Step 5: Solve for x
    x = 4,972,540.20/2,493.14
  6. Step 6: Final answer
    x = 1,994.49

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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.