Home / 3,737.05-5,155.98-2,164.84

Finding the Fourth Proportional to 3,737.05, 5,155.98 and 2,164.84

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Solution

The fourth proportional to 3,737.05, 5,155.98 and 2,164.84 is: 2,986.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.05 : 5,155.98 = 2,164.84 : x
  2. Step 2: Convert to fraction form
    3,737.05/5,155.98 = 2,164.84/x
  3. Step 3: Cross multiply
    3,737.05x = 5,155.98 × 2,164.84
  4. Step 4: Simplify right side
    3,737.05x = 11,161,871.74
  5. Step 5: Solve for x
    x = 11,161,871.74/3,737.05
  6. Step 6: Final answer
    x = 2,986.81

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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.