Home / 2,929.44-4,390.29-1,755.66

Finding the Fourth Proportional to 2,929.44, 4,390.29 and 1,755.66

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Solution

The fourth proportional to 2,929.44, 4,390.29 and 1,755.66 is: 2,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.44 : 4,390.29 = 1,755.66 : x
  2. Step 2: Convert to fraction form
    2,929.44/4,390.29 = 1,755.66/x
  3. Step 3: Cross multiply
    2,929.44x = 4,390.29 × 1,755.66
  4. Step 4: Simplify right side
    2,929.44x = 7,707,856.54
  5. Step 5: Solve for x
    x = 7,707,856.54/2,929.44
  6. Step 6: Final answer
    x = 2,631.17

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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.