Home / 2,846.64-3,927-1,726.86

Finding the Fourth Proportional to 2,846.64, 3,927 and 1,726.86

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Solution

The fourth proportional to 2,846.64, 3,927 and 1,726.86 is: 2,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.64 : 3,927 = 1,726.86 : x
  2. Step 2: Convert to fraction form
    2,846.64/3,927 = 1,726.86/x
  3. Step 3: Cross multiply
    2,846.64x = 3,927 × 1,726.86
  4. Step 4: Simplify right side
    2,846.64x = 6,781,379.22
  5. Step 5: Solve for x
    x = 6,781,379.22/2,846.64
  6. Step 6: Final answer
    x = 2,382.24

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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.