Home / 3,455.93-5,184.39-1,115.16

Finding the Fourth Proportional to 3,455.93, 5,184.39 and 1,115.16

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Solution

The fourth proportional to 3,455.93, 5,184.39 and 1,115.16 is: 1,672.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.93 : 5,184.39 = 1,115.16 : x
  2. Step 2: Convert to fraction form
    3,455.93/5,184.39 = 1,115.16/x
  3. Step 3: Cross multiply
    3,455.93x = 5,184.39 × 1,115.16
  4. Step 4: Simplify right side
    3,455.93x = 5,781,424.35
  5. Step 5: Solve for x
    x = 5,781,424.35/3,455.93
  6. Step 6: Final answer
    x = 1,672.90

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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.