Home / 2,609.05-3,601.47-1,726.06

Finding the Fourth Proportional to 2,609.05, 3,601.47 and 1,726.06

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Solution

The fourth proportional to 2,609.05, 3,601.47 and 1,726.06 is: 2,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.05 : 3,601.47 = 1,726.06 : x
  2. Step 2: Convert to fraction form
    2,609.05/3,601.47 = 1,726.06/x
  3. Step 3: Cross multiply
    2,609.05x = 3,601.47 × 1,726.06
  4. Step 4: Simplify right side
    2,609.05x = 6,216,353.31
  5. Step 5: Solve for x
    x = 6,216,353.31/2,609.05
  6. Step 6: Final answer
    x = 2,382.61

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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.