Home / 3,687.92-5,089.36-2,009.34

Finding the Fourth Proportional to 3,687.92, 5,089.36 and 2,009.34

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Solution

The fourth proportional to 3,687.92, 5,089.36 and 2,009.34 is: 2,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.92 : 5,089.36 = 2,009.34 : x
  2. Step 2: Convert to fraction form
    3,687.92/5,089.36 = 2,009.34/x
  3. Step 3: Cross multiply
    3,687.92x = 5,089.36 × 2,009.34
  4. Step 4: Simplify right side
    3,687.92x = 10,226,254.62
  5. Step 5: Solve for x
    x = 10,226,254.62/3,687.92
  6. Step 6: Final answer
    x = 2,772.91

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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.