Home / 3,186.77-4,398.22-2,293.46

Finding the Fourth Proportional to 3,186.77, 4,398.22 and 2,293.46

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Solution

The fourth proportional to 3,186.77, 4,398.22 and 2,293.46 is: 3,165.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.77 : 4,398.22 = 2,293.46 : x
  2. Step 2: Convert to fraction form
    3,186.77/4,398.22 = 2,293.46/x
  3. Step 3: Cross multiply
    3,186.77x = 4,398.22 × 2,293.46
  4. Step 4: Simplify right side
    3,186.77x = 10,087,141.17
  5. Step 5: Solve for x
    x = 10,087,141.17/3,186.77
  6. Step 6: Final answer
    x = 3,165.32

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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.