Home / 3,139.35-4,332.24-1,723.06

Finding the Fourth Proportional to 3,139.35, 4,332.24 and 1,723.06

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Solution

The fourth proportional to 3,139.35, 4,332.24 and 1,723.06 is: 2,377.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.35 : 4,332.24 = 1,723.06 : x
  2. Step 2: Convert to fraction form
    3,139.35/4,332.24 = 1,723.06/x
  3. Step 3: Cross multiply
    3,139.35x = 4,332.24 × 1,723.06
  4. Step 4: Simplify right side
    3,139.35x = 7,464,709.45
  5. Step 5: Solve for x
    x = 7,464,709.45/3,139.35
  6. Step 6: Final answer
    x = 2,377.79

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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.