Home / 2,635.68-3,636.60-1,587.54

Finding the Fourth Proportional to 2,635.68, 3,636.60 and 1,587.54

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Solution

The fourth proportional to 2,635.68, 3,636.60 and 1,587.54 is: 2,190.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.68 : 3,636.60 = 1,587.54 : x
  2. Step 2: Convert to fraction form
    2,635.68/3,636.60 = 1,587.54/x
  3. Step 3: Cross multiply
    2,635.68x = 3,636.60 × 1,587.54
  4. Step 4: Simplify right side
    2,635.68x = 5,773,247.96
  5. Step 5: Solve for x
    x = 5,773,247.96/2,635.68
  6. Step 6: Final answer
    x = 2,190.42

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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.