Home / 3,116.56-4,299.72-2,186.32

Finding the Fourth Proportional to 3,116.56, 4,299.72 and 2,186.32

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Solution

The fourth proportional to 3,116.56, 4,299.72 and 2,186.32 is: 3,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.56 : 4,299.72 = 2,186.32 : x
  2. Step 2: Convert to fraction form
    3,116.56/4,299.72 = 2,186.32/x
  3. Step 3: Cross multiply
    3,116.56x = 4,299.72 × 2,186.32
  4. Step 4: Simplify right side
    3,116.56x = 9,400,563.83
  5. Step 5: Solve for x
    x = 9,400,563.83/3,116.56
  6. Step 6: Final answer
    x = 3,016.33

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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.