Home / 3,345.14-4,993.84-3,122.79

Finding the Fourth Proportional to 3,345.14, 4,993.84 and 3,122.79

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Solution

The fourth proportional to 3,345.14, 4,993.84 and 3,122.79 is: 4,661.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.14 : 4,993.84 = 3,122.79 : x
  2. Step 2: Convert to fraction form
    3,345.14/4,993.84 = 3,122.79/x
  3. Step 3: Cross multiply
    3,345.14x = 4,993.84 × 3,122.79
  4. Step 4: Simplify right side
    3,345.14x = 15,594,705.81
  5. Step 5: Solve for x
    x = 15,594,705.81/3,345.14
  6. Step 6: Final answer
    x = 4,661.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.