Home / 3,155.23-4,349.66-2,208.08

Finding the Fourth Proportional to 3,155.23, 4,349.66 and 2,208.08

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Solution

The fourth proportional to 3,155.23, 4,349.66 and 2,208.08 is: 3,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.23 : 4,349.66 = 2,208.08 : x
  2. Step 2: Convert to fraction form
    3,155.23/4,349.66 = 2,208.08/x
  3. Step 3: Cross multiply
    3,155.23x = 4,349.66 × 2,208.08
  4. Step 4: Simplify right side
    3,155.23x = 9,604,413.65
  5. Step 5: Solve for x
    x = 9,604,413.65/3,155.23
  6. Step 6: Final answer
    x = 3,043.97

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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.