Home / 3,236.70-4,461.27-2,291.28

Finding the Fourth Proportional to 3,236.70, 4,461.27 and 2,291.28

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Solution

The fourth proportional to 3,236.70, 4,461.27 and 2,291.28 is: 3,158.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,236.70 : 4,461.27 = 2,291.28 : x
  2. Step 2: Convert to fraction form
    3,236.70/4,461.27 = 2,291.28/x
  3. Step 3: Cross multiply
    3,236.70x = 4,461.27 × 2,291.28
  4. Step 4: Simplify right side
    3,236.70x = 10,222,018.73
  5. Step 5: Solve for x
    x = 10,222,018.73/3,236.70
  6. Step 6: Final answer
    x = 3,158.16

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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.