Home / 3,077.35-4,616.63-1,129.57

Finding the Fourth Proportional to 3,077.35, 4,616.63 and 1,129.57

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Solution

The fourth proportional to 3,077.35, 4,616.63 and 1,129.57 is: 1,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.35 : 4,616.63 = 1,129.57 : x
  2. Step 2: Convert to fraction form
    3,077.35/4,616.63 = 1,129.57/x
  3. Step 3: Cross multiply
    3,077.35x = 4,616.63 × 1,129.57
  4. Step 4: Simplify right side
    3,077.35x = 5,214,806.75
  5. Step 5: Solve for x
    x = 5,214,806.75/3,077.35
  6. Step 6: Final answer
    x = 1,694.58

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1.5x scale

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.