Home / 2,635.05-3,636.18-1,455.96

Finding the Fourth Proportional to 2,635.05, 3,636.18 and 1,455.96

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Solution

The fourth proportional to 2,635.05, 3,636.18 and 1,455.96 is: 2,009.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.05 : 3,636.18 = 1,455.96 : x
  2. Step 2: Convert to fraction form
    2,635.05/3,636.18 = 1,455.96/x
  3. Step 3: Cross multiply
    2,635.05x = 3,636.18 × 1,455.96
  4. Step 4: Simplify right side
    2,635.05x = 5,294,132.63
  5. Step 5: Solve for x
    x = 5,294,132.63/2,635.05
  6. Step 6: Final answer
    x = 2,009.12

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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.