Home / 2,219.43-3,328.83-1,395.18

Finding the Fourth Proportional to 2,219.43, 3,328.83 and 1,395.18

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Solution

The fourth proportional to 2,219.43, 3,328.83 and 1,395.18 is: 2,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.43 : 3,328.83 = 1,395.18 : x
  2. Step 2: Convert to fraction form
    2,219.43/3,328.83 = 1,395.18/x
  3. Step 3: Cross multiply
    2,219.43x = 3,328.83 × 1,395.18
  4. Step 4: Simplify right side
    2,219.43x = 4,644,317.04
  5. Step 5: Solve for x
    x = 4,644,317.04/2,219.43
  6. Step 6: Final answer
    x = 2,092.57

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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.