Home / 3,162.56-4,743.89-1,429.16

Finding the Fourth Proportional to 3,162.56, 4,743.89 and 1,429.16

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Solution

The fourth proportional to 3,162.56, 4,743.89 and 1,429.16 is: 2,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.56 : 4,743.89 = 1,429.16 : x
  2. Step 2: Convert to fraction form
    3,162.56/4,743.89 = 1,429.16/x
  3. Step 3: Cross multiply
    3,162.56x = 4,743.89 × 1,429.16
  4. Step 4: Simplify right side
    3,162.56x = 6,779,746.97
  5. Step 5: Solve for x
    x = 6,779,746.97/3,162.56
  6. Step 6: Final answer
    x = 2,143.76

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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.