Home / 2,910.32-4,357.11-2,705.29

Finding the Fourth Proportional to 2,910.32, 4,357.11 and 2,705.29

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Solution

The fourth proportional to 2,910.32, 4,357.11 and 2,705.29 is: 4,050.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.32 : 4,357.11 = 2,705.29 : x
  2. Step 2: Convert to fraction form
    2,910.32/4,357.11 = 2,705.29/x
  3. Step 3: Cross multiply
    2,910.32x = 4,357.11 × 2,705.29
  4. Step 4: Simplify right side
    2,910.32x = 11,787,246.11
  5. Step 5: Solve for x
    x = 11,787,246.11/2,910.32
  6. Step 6: Final answer
    x = 4,050.15

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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.