Home / 3,071.32-4,236.91-2,076.23

Finding the Fourth Proportional to 3,071.32, 4,236.91 and 2,076.23

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Solution

The fourth proportional to 3,071.32, 4,236.91 and 2,076.23 is: 2,864.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.32 : 4,236.91 = 2,076.23 : x
  2. Step 2: Convert to fraction form
    3,071.32/4,236.91 = 2,076.23/x
  3. Step 3: Cross multiply
    3,071.32x = 4,236.91 × 2,076.23
  4. Step 4: Simplify right side
    3,071.32x = 8,796,805.05
  5. Step 5: Solve for x
    x = 8,796,805.05/3,071.32
  6. Step 6: Final answer
    x = 2,864.18

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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.