Home / 3,737.81-5,158.04-2,143.36

Finding the Fourth Proportional to 3,737.81, 5,158.04 and 2,143.36

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Solution

The fourth proportional to 3,737.81, 5,158.04 and 2,143.36 is: 2,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.81 : 5,158.04 = 2,143.36 : x
  2. Step 2: Convert to fraction form
    3,737.81/5,158.04 = 2,143.36/x
  3. Step 3: Cross multiply
    3,737.81x = 5,158.04 × 2,143.36
  4. Step 4: Simplify right side
    3,737.81x = 11,055,518.36
  5. Step 5: Solve for x
    x = 11,055,518.36/3,737.81
  6. Step 6: Final answer
    x = 2,957.75

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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.