Home / 3,162.14-4,744.29-1,407.29

Finding the Fourth Proportional to 3,162.14, 4,744.29 and 1,407.29

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Solution

The fourth proportional to 3,162.14, 4,744.29 and 1,407.29 is: 2,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.14 : 4,744.29 = 1,407.29 : x
  2. Step 2: Convert to fraction form
    3,162.14/4,744.29 = 1,407.29/x
  3. Step 3: Cross multiply
    3,162.14x = 4,744.29 × 1,407.29
  4. Step 4: Simplify right side
    3,162.14x = 6,676,568.15
  5. Step 5: Solve for x
    x = 6,676,568.15/3,162.14
  6. Step 6: Final answer
    x = 2,111.41

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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.