Home / 3,212.10-4,427.57-2,621.62

Finding the Fourth Proportional to 3,212.10, 4,427.57 and 2,621.62

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Solution

The fourth proportional to 3,212.10, 4,427.57 and 2,621.62 is: 3,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.10 : 4,427.57 = 2,621.62 : x
  2. Step 2: Convert to fraction form
    3,212.10/4,427.57 = 2,621.62/x
  3. Step 3: Cross multiply
    3,212.10x = 4,427.57 × 2,621.62
  4. Step 4: Simplify right side
    3,212.10x = 11,607,406.06
  5. Step 5: Solve for x
    x = 11,607,406.06/3,212.10
  6. Step 6: Final answer
    x = 3,613.65

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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.