Home / 2,726.72-3,764.14-1,607.28

Finding the Fourth Proportional to 2,726.72, 3,764.14 and 1,607.28

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Solution

The fourth proportional to 2,726.72, 3,764.14 and 1,607.28 is: 2,218.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.72 : 3,764.14 = 1,607.28 : x
  2. Step 2: Convert to fraction form
    2,726.72/3,764.14 = 1,607.28/x
  3. Step 3: Cross multiply
    2,726.72x = 3,764.14 × 1,607.28
  4. Step 4: Simplify right side
    2,726.72x = 6,050,026.94
  5. Step 5: Solve for x
    x = 6,050,026.94/2,726.72
  6. Step 6: Final answer
    x = 2,218.79

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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.