Home / 3,738.12-5,606.10-1,429.08

Finding the Fourth Proportional to 3,738.12, 5,606.10 and 1,429.08

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Solution

The fourth proportional to 3,738.12, 5,606.10 and 1,429.08 is: 2,143.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.12 : 5,606.10 = 1,429.08 : x
  2. Step 2: Convert to fraction form
    3,738.12/5,606.10 = 1,429.08/x
  3. Step 3: Cross multiply
    3,738.12x = 5,606.10 × 1,429.08
  4. Step 4: Simplify right side
    3,738.12x = 8,011,565.39
  5. Step 5: Solve for x
    x = 8,011,565.39/3,738.12
  6. Step 6: Final answer
    x = 2,143.21

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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.