Home / 3,927.06-5,408.28-2,746.08

Finding the Fourth Proportional to 3,927.06, 5,408.28 and 2,746.08

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Solution

The fourth proportional to 3,927.06, 5,408.28 and 2,746.08 is: 3,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.06 : 5,408.28 = 2,746.08 : x
  2. Step 2: Convert to fraction form
    3,927.06/5,408.28 = 2,746.08/x
  3. Step 3: Cross multiply
    3,927.06x = 5,408.28 × 2,746.08
  4. Step 4: Simplify right side
    3,927.06x = 14,851,569.54
  5. Step 5: Solve for x
    x = 14,851,569.54/3,927.06
  6. Step 6: Final answer
    x = 3,781.85

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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.