Home / 3,077.62-4,617.04-1,129.84

Finding the Fourth Proportional to 3,077.62, 4,617.04 and 1,129.84

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Solution

The fourth proportional to 3,077.62, 4,617.04 and 1,129.84 is: 1,694.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.62 : 4,617.04 = 1,129.84 : x
  2. Step 2: Convert to fraction form
    3,077.62/4,617.04 = 1,129.84/x
  3. Step 3: Cross multiply
    3,077.62x = 4,617.04 × 1,129.84
  4. Step 4: Simplify right side
    3,077.62x = 5,216,530.84
  5. Step 5: Solve for x
    x = 5,216,530.84/3,077.62
  6. Step 6: Final answer
    x = 1,694.99

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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.