Home / 2,558.24-3,836.80-1,630.88

Finding the Fourth Proportional to 2,558.24, 3,836.80 and 1,630.88

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Solution

The fourth proportional to 2,558.24, 3,836.80 and 1,630.88 is: 2,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.24 : 3,836.80 = 1,630.88 : x
  2. Step 2: Convert to fraction form
    2,558.24/3,836.80 = 1,630.88/x
  3. Step 3: Cross multiply
    2,558.24x = 3,836.80 × 1,630.88
  4. Step 4: Simplify right side
    2,558.24x = 6,257,360.38
  5. Step 5: Solve for x
    x = 6,257,360.38/2,558.24
  6. Step 6: Final answer
    x = 2,445.96

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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.