Home / 3,848.78-5,305.66-2,726.24

Finding the Fourth Proportional to 3,848.78, 5,305.66 and 2,726.24

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Solution

The fourth proportional to 3,848.78, 5,305.66 and 2,726.24 is: 3,758.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.78 : 5,305.66 = 2,726.24 : x
  2. Step 2: Convert to fraction form
    3,848.78/5,305.66 = 2,726.24/x
  3. Step 3: Cross multiply
    3,848.78x = 5,305.66 × 2,726.24
  4. Step 4: Simplify right side
    3,848.78x = 14,464,502.52
  5. Step 5: Solve for x
    x = 14,464,502.52/3,848.78
  6. Step 6: Final answer
    x = 3,758.20

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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.