Home / 2,628.05-3,623.81-1,787.04

Finding the Fourth Proportional to 2,628.05, 3,623.81 and 1,787.04

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Solution

The fourth proportional to 2,628.05, 3,623.81 and 1,787.04 is: 2,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.05 : 3,623.81 = 1,787.04 : x
  2. Step 2: Convert to fraction form
    2,628.05/3,623.81 = 1,787.04/x
  3. Step 3: Cross multiply
    2,628.05x = 3,623.81 × 1,787.04
  4. Step 4: Simplify right side
    2,628.05x = 6,475,889.37
  5. Step 5: Solve for x
    x = 6,475,889.37/2,628.05
  6. Step 6: Final answer
    x = 2,464.15

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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.