Home / 3,717.11-5,130.50-2,146.11

Finding the Fourth Proportional to 3,717.11, 5,130.50 and 2,146.11

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Solution

The fourth proportional to 3,717.11, 5,130.50 and 2,146.11 is: 2,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.11 : 5,130.50 = 2,146.11 : x
  2. Step 2: Convert to fraction form
    3,717.11/5,130.50 = 2,146.11/x
  3. Step 3: Cross multiply
    3,717.11x = 5,130.50 × 2,146.11
  4. Step 4: Simplify right side
    3,717.11x = 11,010,606.62
  5. Step 5: Solve for x
    x = 11,010,606.62/3,717.11
  6. Step 6: Final answer
    x = 2,962.15

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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.