Home / 4,039.61-5,576.46-3,141.32

Finding the Fourth Proportional to 4,039.61, 5,576.46 and 3,141.32

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Solution

The fourth proportional to 4,039.61, 5,576.46 and 3,141.32 is: 4,336.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.61 : 5,576.46 = 3,141.32 : x
  2. Step 2: Convert to fraction form
    4,039.61/5,576.46 = 3,141.32/x
  3. Step 3: Cross multiply
    4,039.61x = 5,576.46 × 3,141.32
  4. Step 4: Simplify right side
    4,039.61x = 17,517,445.33
  5. Step 5: Solve for x
    x = 17,517,445.33/4,039.61
  6. Step 6: Final answer
    x = 4,336.42

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Half scale
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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.