Home / 3,077.94-4,247.66-1,733.78

Finding the Fourth Proportional to 3,077.94, 4,247.66 and 1,733.78

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Solution

The fourth proportional to 3,077.94, 4,247.66 and 1,733.78 is: 2,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.94 : 4,247.66 = 1,733.78 : x
  2. Step 2: Convert to fraction form
    3,077.94/4,247.66 = 1,733.78/x
  3. Step 3: Cross multiply
    3,077.94x = 4,247.66 × 1,733.78
  4. Step 4: Simplify right side
    3,077.94x = 7,364,507.95
  5. Step 5: Solve for x
    x = 7,364,507.95/3,077.94
  6. Step 6: Final answer
    x = 2,392.67

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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.