Home / 3,569.28-4,922.16-2,822.16

Finding the Fourth Proportional to 3,569.28, 4,922.16 and 2,822.16

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Solution

The fourth proportional to 3,569.28, 4,922.16 and 2,822.16 is: 3,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.28 : 4,922.16 = 2,822.16 : x
  2. Step 2: Convert to fraction form
    3,569.28/4,922.16 = 2,822.16/x
  3. Step 3: Cross multiply
    3,569.28x = 4,922.16 × 2,822.16
  4. Step 4: Simplify right side
    3,569.28x = 13,891,123.07
  5. Step 5: Solve for x
    x = 13,891,123.07/3,569.28
  6. Step 6: Final answer
    x = 3,891.86

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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.