Home / 3,181.05-4,387.32-2,062.98

Finding the Fourth Proportional to 3,181.05, 4,387.32 and 2,062.98

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Solution

The fourth proportional to 3,181.05, 4,387.32 and 2,062.98 is: 2,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.05 : 4,387.32 = 2,062.98 : x
  2. Step 2: Convert to fraction form
    3,181.05/4,387.32 = 2,062.98/x
  3. Step 3: Cross multiply
    3,181.05x = 4,387.32 × 2,062.98
  4. Step 4: Simplify right side
    3,181.05x = 9,050,953.41
  5. Step 5: Solve for x
    x = 9,050,953.41/3,181.05
  6. Step 6: Final answer
    x = 2,845.27

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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.