Home / 2,375.38-3,277.74-1,313.00

Finding the Fourth Proportional to 2,375.38, 3,277.74 and 1,313.00

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Solution

The fourth proportional to 2,375.38, 3,277.74 and 1,313.00 is: 1,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.38 : 3,277.74 = 1,313.00 : x
  2. Step 2: Convert to fraction form
    2,375.38/3,277.74 = 1,313.00/x
  3. Step 3: Cross multiply
    2,375.38x = 3,277.74 × 1,313.00
  4. Step 4: Simplify right side
    2,375.38x = 4,303,680.70
  5. Step 5: Solve for x
    x = 4,303,680.70/2,375.38
  6. Step 6: Final answer
    x = 1,811.79

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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.