Home / 3,115.24-4,669.56-1,166.64

Finding the Fourth Proportional to 3,115.24, 4,669.56 and 1,166.64

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Solution

The fourth proportional to 3,115.24, 4,669.56 and 1,166.64 is: 1,748.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.24 : 4,669.56 = 1,166.64 : x
  2. Step 2: Convert to fraction form
    3,115.24/4,669.56 = 1,166.64/x
  3. Step 3: Cross multiply
    3,115.24x = 4,669.56 × 1,166.64
  4. Step 4: Simplify right side
    3,115.24x = 5,447,695.48
  5. Step 5: Solve for x
    x = 5,447,695.48/3,115.24
  6. Step 6: Final answer
    x = 1,748.72

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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.