Home / 4,071.36-5,618.50-2,208.36

Finding the Fourth Proportional to 4,071.36, 5,618.50 and 2,208.36

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Solution

The fourth proportional to 4,071.36, 5,618.50 and 2,208.36 is: 3,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.36 : 5,618.50 = 2,208.36 : x
  2. Step 2: Convert to fraction form
    4,071.36/5,618.50 = 2,208.36/x
  3. Step 3: Cross multiply
    4,071.36x = 5,618.50 × 2,208.36
  4. Step 4: Simplify right side
    4,071.36x = 12,407,670.66
  5. Step 5: Solve for x
    x = 12,407,670.66/4,071.36
  6. Step 6: Final answer
    x = 3,047.55

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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.