Home / 2,625.71-3,620.89-2,228.46

Finding the Fourth Proportional to 2,625.71, 3,620.89 and 2,228.46

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Solution

The fourth proportional to 2,625.71, 3,620.89 and 2,228.46 is: 3,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.71 : 3,620.89 = 2,228.46 : x
  2. Step 2: Convert to fraction form
    2,625.71/3,620.89 = 2,228.46/x
  3. Step 3: Cross multiply
    2,625.71x = 3,620.89 × 2,228.46
  4. Step 4: Simplify right side
    2,625.71x = 8,068,997.74
  5. Step 5: Solve for x
    x = 8,068,997.74/2,625.71
  6. Step 6: Final answer
    x = 3,073.08

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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.