Home / 2,453.96-3,657.56-2,315.60

Finding the Fourth Proportional to 2,453.96, 3,657.56 and 2,315.60

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Solution

The fourth proportional to 2,453.96, 3,657.56 and 2,315.60 is: 3,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,453.96 : 3,657.56 = 2,315.60 : x
  2. Step 2: Convert to fraction form
    2,453.96/3,657.56 = 2,315.60/x
  3. Step 3: Cross multiply
    2,453.96x = 3,657.56 × 2,315.60
  4. Step 4: Simplify right side
    2,453.96x = 8,469,445.94
  5. Step 5: Solve for x
    x = 8,469,445.94/2,453.96
  6. Step 6: Final answer
    x = 3,451.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.