Home / 3,212.12-4,818.94-1,363.32

Finding the Fourth Proportional to 3,212.12, 4,818.94 and 1,363.32

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Solution

The fourth proportional to 3,212.12, 4,818.94 and 1,363.32 is: 2,045.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.12 : 4,818.94 = 1,363.32 : x
  2. Step 2: Convert to fraction form
    3,212.12/4,818.94 = 1,363.32/x
  3. Step 3: Cross multiply
    3,212.12x = 4,818.94 × 1,363.32
  4. Step 4: Simplify right side
    3,212.12x = 6,569,753.87
  5. Step 5: Solve for x
    x = 6,569,753.87/3,212.12
  6. Step 6: Final answer
    x = 2,045.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.