Home / 2,628.05-3,625.76-1,787.27

Finding the Fourth Proportional to 2,628.05, 3,625.76 and 1,787.27

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Solution

The fourth proportional to 2,628.05, 3,625.76 and 1,787.27 is: 2,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.05 : 3,625.76 = 1,787.27 : x
  2. Step 2: Convert to fraction form
    2,628.05/3,625.76 = 1,787.27/x
  3. Step 3: Cross multiply
    2,628.05x = 3,625.76 × 1,787.27
  4. Step 4: Simplify right side
    2,628.05x = 6,480,198.41
  5. Step 5: Solve for x
    x = 6,480,198.41/2,628.05
  6. Step 6: Final answer
    x = 2,465.79

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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.