Home / 3,225.64-4,841.34-1,687.72

Finding the Fourth Proportional to 3,225.64, 4,841.34 and 1,687.72

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Solution

The fourth proportional to 3,225.64, 4,841.34 and 1,687.72 is: 2,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.64 : 4,841.34 = 1,687.72 : x
  2. Step 2: Convert to fraction form
    3,225.64/4,841.34 = 1,687.72/x
  3. Step 3: Cross multiply
    3,225.64x = 4,841.34 × 1,687.72
  4. Step 4: Simplify right side
    3,225.64x = 8,170,826.34
  5. Step 5: Solve for x
    x = 8,170,826.34/3,225.64
  6. Step 6: Final answer
    x = 2,533.09

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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.