Home / 3,727.16-5,142-2,664.95

Finding the Fourth Proportional to 3,727.16, 5,142 and 2,664.95

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Solution

The fourth proportional to 3,727.16, 5,142 and 2,664.95 is: 3,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.16 : 5,142 = 2,664.95 : x
  2. Step 2: Convert to fraction form
    3,727.16/5,142 = 2,664.95/x
  3. Step 3: Cross multiply
    3,727.16x = 5,142 × 2,664.95
  4. Step 4: Simplify right side
    3,727.16x = 13,703,147.19
  5. Step 5: Solve for x
    x = 13,703,147.19/3,727.16
  6. Step 6: Final answer
    x = 3,676.57

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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.