Home / 2,705.12-3,733.56-2,262.32

Finding the Fourth Proportional to 2,705.12, 3,733.56 and 2,262.32

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Solution

The fourth proportional to 2,705.12, 3,733.56 and 2,262.32 is: 3,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.12 : 3,733.56 = 2,262.32 : x
  2. Step 2: Convert to fraction form
    2,705.12/3,733.56 = 2,262.32/x
  3. Step 3: Cross multiply
    2,705.12x = 3,733.56 × 2,262.32
  4. Step 4: Simplify right side
    2,705.12x = 8,446,507.46
  5. Step 5: Solve for x
    x = 8,446,507.46/2,705.12
  6. Step 6: Final answer
    x = 3,122.42

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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.