Home / 2,822.50-3,895.05-1,644.22

Finding the Fourth Proportional to 2,822.50, 3,895.05 and 1,644.22

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Solution

The fourth proportional to 2,822.50, 3,895.05 and 1,644.22 is: 2,269.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.50 : 3,895.05 = 1,644.22 : x
  2. Step 2: Convert to fraction form
    2,822.50/3,895.05 = 1,644.22/x
  3. Step 3: Cross multiply
    2,822.50x = 3,895.05 × 1,644.22
  4. Step 4: Simplify right side
    2,822.50x = 6,404,319.11
  5. Step 5: Solve for x
    x = 6,404,319.11/2,822.50
  6. Step 6: Final answer
    x = 2,269.02

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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.