Home / 4,071.15-5,618.19-2,208.15

Finding the Fourth Proportional to 4,071.15, 5,618.19 and 2,208.15

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Solution

The fourth proportional to 4,071.15, 5,618.19 and 2,208.15 is: 3,047.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.15 : 5,618.19 = 2,208.15 : x
  2. Step 2: Convert to fraction form
    4,071.15/5,618.19 = 2,208.15/x
  3. Step 3: Cross multiply
    4,071.15x = 5,618.19 × 2,208.15
  4. Step 4: Simplify right side
    4,071.15x = 12,405,778.16
  5. Step 5: Solve for x
    x = 12,405,778.16/4,071.15
  6. Step 6: Final answer
    x = 3,047.25

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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.