Home / 3,215.92-4,436.64-1,956.52

Finding the Fourth Proportional to 3,215.92, 4,436.64 and 1,956.52

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Solution

The fourth proportional to 3,215.92, 4,436.64 and 1,956.52 is: 2,699.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.92 : 4,436.64 = 1,956.52 : x
  2. Step 2: Convert to fraction form
    3,215.92/4,436.64 = 1,956.52/x
  3. Step 3: Cross multiply
    3,215.92x = 4,436.64 × 1,956.52
  4. Step 4: Simplify right side
    3,215.92x = 8,680,374.89
  5. Step 5: Solve for x
    x = 8,680,374.89/3,215.92
  6. Step 6: Final answer
    x = 2,699.19

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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.