Home / 3,637.92-5,448.78-2,178.84

Finding the Fourth Proportional to 3,637.92, 5,448.78 and 2,178.84

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Solution

The fourth proportional to 3,637.92, 5,448.78 and 2,178.84 is: 3,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.92 : 5,448.78 = 2,178.84 : x
  2. Step 2: Convert to fraction form
    3,637.92/5,448.78 = 2,178.84/x
  3. Step 3: Cross multiply
    3,637.92x = 5,448.78 × 2,178.84
  4. Step 4: Simplify right side
    3,637.92x = 11,872,019.82
  5. Step 5: Solve for x
    x = 11,872,019.82/3,637.92
  6. Step 6: Final answer
    x = 3,263.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.