Home / 3,371.20-4,652.21-1,879.21

Finding the Fourth Proportional to 3,371.20, 4,652.21 and 1,879.21

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Solution

The fourth proportional to 3,371.20, 4,652.21 and 1,879.21 is: 2,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.20 : 4,652.21 = 1,879.21 : x
  2. Step 2: Convert to fraction form
    3,371.20/4,652.21 = 1,879.21/x
  3. Step 3: Cross multiply
    3,371.20x = 4,652.21 × 1,879.21
  4. Step 4: Simplify right side
    3,371.20x = 8,742,471.70
  5. Step 5: Solve for x
    x = 8,742,471.70/3,371.20
  6. Step 6: Final answer
    x = 2,593.28

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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.