Home / 3,080.61-4,251.26-1,683.39

Finding the Fourth Proportional to 3,080.61, 4,251.26 and 1,683.39

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Solution

The fourth proportional to 3,080.61, 4,251.26 and 1,683.39 is: 2,323.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.61 : 4,251.26 = 1,683.39 : x
  2. Step 2: Convert to fraction form
    3,080.61/4,251.26 = 1,683.39/x
  3. Step 3: Cross multiply
    3,080.61x = 4,251.26 × 1,683.39
  4. Step 4: Simplify right side
    3,080.61x = 7,156,520.15
  5. Step 5: Solve for x
    x = 7,156,520.15/3,080.61
  6. Step 6: Final answer
    x = 2,323.09

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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.