Home / 2,636.58-3,951.60-1,758.30

Finding the Fourth Proportional to 2,636.58, 3,951.60 and 1,758.30

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Solution

The fourth proportional to 2,636.58, 3,951.60 and 1,758.30 is: 2,635.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.58 : 3,951.60 = 1,758.30 : x
  2. Step 2: Convert to fraction form
    2,636.58/3,951.60 = 1,758.30/x
  3. Step 3: Cross multiply
    2,636.58x = 3,951.60 × 1,758.30
  4. Step 4: Simplify right side
    2,636.58x = 6,948,098.28
  5. Step 5: Solve for x
    x = 6,948,098.28/2,636.58
  6. Step 6: Final answer
    x = 2,635.27

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1.5x scale

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.