Home / 4,120.80-5,683.68-2,627.52

Finding the Fourth Proportional to 4,120.80, 5,683.68 and 2,627.52

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Solution

The fourth proportional to 4,120.80, 5,683.68 and 2,627.52 is: 3,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.80 : 5,683.68 = 2,627.52 : x
  2. Step 2: Convert to fraction form
    4,120.80/5,683.68 = 2,627.52/x
  3. Step 3: Cross multiply
    4,120.80x = 5,683.68 × 2,627.52
  4. Step 4: Simplify right side
    4,120.80x = 14,933,982.87
  5. Step 5: Solve for x
    x = 14,933,982.87/4,120.80
  6. Step 6: Final answer
    x = 3,624.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.