Home / 2,086.50-3,126.19-1,823.60

Finding the Fourth Proportional to 2,086.50, 3,126.19 and 1,823.60

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Solution

The fourth proportional to 2,086.50, 3,126.19 and 1,823.60 is: 2,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.50 : 3,126.19 = 1,823.60 : x
  2. Step 2: Convert to fraction form
    2,086.50/3,126.19 = 1,823.60/x
  3. Step 3: Cross multiply
    2,086.50x = 3,126.19 × 1,823.60
  4. Step 4: Simplify right side
    2,086.50x = 5,700,920.08
  5. Step 5: Solve for x
    x = 5,700,920.08/2,086.50
  6. Step 6: Final answer
    x = 2,732.29

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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.