Home / 2,474.91-3,712.48-1,378.45

Finding the Fourth Proportional to 2,474.91, 3,712.48 and 1,378.45

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Solution

The fourth proportional to 2,474.91, 3,712.48 and 1,378.45 is: 2,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.91 : 3,712.48 = 1,378.45 : x
  2. Step 2: Convert to fraction form
    2,474.91/3,712.48 = 1,378.45/x
  3. Step 3: Cross multiply
    2,474.91x = 3,712.48 × 1,378.45
  4. Step 4: Simplify right side
    2,474.91x = 5,117,442.60
  5. Step 5: Solve for x
    x = 5,117,442.60/2,474.91
  6. Step 6: Final answer
    x = 2,067.73

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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.