Home / 1,752.13-2,628.14-711.83

Finding the Fourth Proportional to 1,752.13, 2,628.14 and 711.83

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Solution

The fourth proportional to 1,752.13, 2,628.14 and 711.83 is: 1,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752.13 : 2,628.14 = 711.83 : x
  2. Step 2: Convert to fraction form
    1,752.13/2,628.14 = 711.83/x
  3. Step 3: Cross multiply
    1,752.13x = 2,628.14 × 711.83
  4. Step 4: Simplify right side
    1,752.13x = 1,870,774.87
  5. Step 5: Solve for x
    x = 1,870,774.87/1,752.13
  6. Step 6: Final answer
    x = 1,067.71

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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.