Home / 3,317.76-4,993.92-2,816.64

Finding the Fourth Proportional to 3,317.76, 4,993.92 and 2,816.64

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Solution

The fourth proportional to 3,317.76, 4,993.92 and 2,816.64 is: 4,239.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.76 : 4,993.92 = 2,816.64 : x
  2. Step 2: Convert to fraction form
    3,317.76/4,993.92 = 2,816.64/x
  3. Step 3: Cross multiply
    3,317.76x = 4,993.92 × 2,816.64
  4. Step 4: Simplify right side
    3,317.76x = 14,066,074.83
  5. Step 5: Solve for x
    x = 14,066,074.83/3,317.76
  6. Step 6: Final answer
    x = 4,239.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.