Home / 1,726.87-2,379.03-1,516.69

Finding the Fourth Proportional to 1,726.87, 2,379.03 and 1,516.69

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Solution

The fourth proportional to 1,726.87, 2,379.03 and 1,516.69 is: 2,089.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.87 : 2,379.03 = 1,516.69 : x
  2. Step 2: Convert to fraction form
    1,726.87/2,379.03 = 1,516.69/x
  3. Step 3: Cross multiply
    1,726.87x = 2,379.03 × 1,516.69
  4. Step 4: Simplify right side
    1,726.87x = 3,608,251.01
  5. Step 5: Solve for x
    x = 3,608,251.01/1,726.87
  6. Step 6: Final answer
    x = 2,089.47

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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.