Home / 3,927.83-5,418-2,601.05

Finding the Fourth Proportional to 3,927.83, 5,418 and 2,601.05

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Solution

The fourth proportional to 3,927.83, 5,418 and 2,601.05 is: 3,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.83 : 5,418 = 2,601.05 : x
  2. Step 2: Convert to fraction form
    3,927.83/5,418 = 2,601.05/x
  3. Step 3: Cross multiply
    3,927.83x = 5,418 × 2,601.05
  4. Step 4: Simplify right side
    3,927.83x = 14,092,461.81
  5. Step 5: Solve for x
    x = 14,092,461.81/3,927.83
  6. Step 6: Final answer
    x = 3,587.85

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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.