Home / 3,186.52-4,769.34-2,891.32

Finding the Fourth Proportional to 3,186.52, 4,769.34 and 2,891.32

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Solution

The fourth proportional to 3,186.52, 4,769.34 and 2,891.32 is: 4,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.52 : 4,769.34 = 2,891.32 : x
  2. Step 2: Convert to fraction form
    3,186.52/4,769.34 = 2,891.32/x
  3. Step 3: Cross multiply
    3,186.52x = 4,769.34 × 2,891.32
  4. Step 4: Simplify right side
    3,186.52x = 13,789,688.13
  5. Step 5: Solve for x
    x = 13,789,688.13/3,186.52
  6. Step 6: Final answer
    x = 4,327.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.