Home / 3,345.05-4,617.78-2,351.18

Finding the Fourth Proportional to 3,345.05, 4,617.78 and 2,351.18

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Solution

The fourth proportional to 3,345.05, 4,617.78 and 2,351.18 is: 3,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.05 : 4,617.78 = 2,351.18 : x
  2. Step 2: Convert to fraction form
    3,345.05/4,617.78 = 2,351.18/x
  3. Step 3: Cross multiply
    3,345.05x = 4,617.78 × 2,351.18
  4. Step 4: Simplify right side
    3,345.05x = 10,857,234.71
  5. Step 5: Solve for x
    x = 10,857,234.71/3,345.05
  6. Step 6: Final answer
    x = 3,245.76

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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.