Home / 3,253.32-4,871.68-1,790.88

Finding the Fourth Proportional to 3,253.32, 4,871.68 and 1,790.88

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Solution

The fourth proportional to 3,253.32, 4,871.68 and 1,790.88 is: 2,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.32 : 4,871.68 = 1,790.88 : x
  2. Step 2: Convert to fraction form
    3,253.32/4,871.68 = 1,790.88/x
  3. Step 3: Cross multiply
    3,253.32x = 4,871.68 × 1,790.88
  4. Step 4: Simplify right side
    3,253.32x = 8,724,594.28
  5. Step 5: Solve for x
    x = 8,724,594.28/3,253.32
  6. Step 6: Final answer
    x = 2,681.75

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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.