Home / 3,356.05-4,630.27-1,939.55

Finding the Fourth Proportional to 3,356.05, 4,630.27 and 1,939.55

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Solution

The fourth proportional to 3,356.05, 4,630.27 and 1,939.55 is: 2,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.05 : 4,630.27 = 1,939.55 : x
  2. Step 2: Convert to fraction form
    3,356.05/4,630.27 = 1,939.55/x
  3. Step 3: Cross multiply
    3,356.05x = 4,630.27 × 1,939.55
  4. Step 4: Simplify right side
    3,356.05x = 8,980,640.18
  5. Step 5: Solve for x
    x = 8,980,640.18/3,356.05
  6. Step 6: Final answer
    x = 2,675.96

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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.