Home / 2,454.45-3,388.37-1,615.70

Finding the Fourth Proportional to 2,454.45, 3,388.37 and 1,615.70

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Solution

The fourth proportional to 2,454.45, 3,388.37 and 1,615.70 is: 2,230.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.45 : 3,388.37 = 1,615.70 : x
  2. Step 2: Convert to fraction form
    2,454.45/3,388.37 = 1,615.70/x
  3. Step 3: Cross multiply
    2,454.45x = 3,388.37 × 1,615.70
  4. Step 4: Simplify right side
    2,454.45x = 5,474,589.41
  5. Step 5: Solve for x
    x = 5,474,589.41/2,454.45
  6. Step 6: Final answer
    x = 2,230.48

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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.