Home / 3,579.71-4,934.28-2,822.25

Finding the Fourth Proportional to 3,579.71, 4,934.28 and 2,822.25

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Solution

The fourth proportional to 3,579.71, 4,934.28 and 2,822.25 is: 3,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.71 : 4,934.28 = 2,822.25 : x
  2. Step 2: Convert to fraction form
    3,579.71/4,934.28 = 2,822.25/x
  3. Step 3: Cross multiply
    3,579.71x = 4,934.28 × 2,822.25
  4. Step 4: Simplify right side
    3,579.71x = 13,925,771.73
  5. Step 5: Solve for x
    x = 13,925,771.73/3,579.71
  6. Step 6: Final answer
    x = 3,890.20

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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.