Home / 3,818.32-5,273.43-3,074.74

Finding the Fourth Proportional to 3,818.32, 5,273.43 and 3,074.74

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Solution

The fourth proportional to 3,818.32, 5,273.43 and 3,074.74 is: 4,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818.32 : 5,273.43 = 3,074.74 : x
  2. Step 2: Convert to fraction form
    3,818.32/5,273.43 = 3,074.74/x
  3. Step 3: Cross multiply
    3,818.32x = 5,273.43 × 3,074.74
  4. Step 4: Simplify right side
    3,818.32x = 16,214,426.16
  5. Step 5: Solve for x
    x = 16,214,426.16/3,818.32
  6. Step 6: Final answer
    x = 4,246.48

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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.