Home / 2,375.58-3,278.24-1,313.42

Finding the Fourth Proportional to 2,375.58, 3,278.24 and 1,313.42

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Solution

The fourth proportional to 2,375.58, 3,278.24 and 1,313.42 is: 1,812.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.58 : 3,278.24 = 1,313.42 : x
  2. Step 2: Convert to fraction form
    2,375.58/3,278.24 = 1,313.42/x
  3. Step 3: Cross multiply
    2,375.58x = 3,278.24 × 1,313.42
  4. Step 4: Simplify right side
    2,375.58x = 4,305,705.98
  5. Step 5: Solve for x
    x = 4,305,705.98/2,375.58
  6. Step 6: Final answer
    x = 1,812.49

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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.