Home / 3,077.43-4,615.68-1,129.17

Finding the Fourth Proportional to 3,077.43, 4,615.68 and 1,129.17

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Solution

The fourth proportional to 3,077.43, 4,615.68 and 1,129.17 is: 1,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.43 : 4,615.68 = 1,129.17 : x
  2. Step 2: Convert to fraction form
    3,077.43/4,615.68 = 1,129.17/x
  3. Step 3: Cross multiply
    3,077.43x = 4,615.68 × 1,129.17
  4. Step 4: Simplify right side
    3,077.43x = 5,211,887.39
  5. Step 5: Solve for x
    x = 5,211,887.39/3,077.43
  6. Step 6: Final answer
    x = 1,693.58

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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.