Home / 3,217.96-4,443.69-2,430.64

Finding the Fourth Proportional to 3,217.96, 4,443.69 and 2,430.64

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Solution

The fourth proportional to 3,217.96, 4,443.69 and 2,430.64 is: 3,356.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.96 : 4,443.69 = 2,430.64 : x
  2. Step 2: Convert to fraction form
    3,217.96/4,443.69 = 2,430.64/x
  3. Step 3: Cross multiply
    3,217.96x = 4,443.69 × 2,430.64
  4. Step 4: Simplify right side
    3,217.96x = 10,801,010.66
  5. Step 5: Solve for x
    x = 10,801,010.66/3,217.96
  6. Step 6: Final answer
    x = 3,356.48

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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.