Home / 3,901.10-5,381.91-2,836.52

Finding the Fourth Proportional to 3,901.10, 5,381.91 and 2,836.52

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Solution

The fourth proportional to 3,901.10, 5,381.91 and 2,836.52 is: 3,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.10 : 5,381.91 = 2,836.52 : x
  2. Step 2: Convert to fraction form
    3,901.10/5,381.91 = 2,836.52/x
  3. Step 3: Cross multiply
    3,901.10x = 5,381.91 × 2,836.52
  4. Step 4: Simplify right side
    3,901.10x = 15,265,908.81
  5. Step 5: Solve for x
    x = 15,265,908.81/3,901.10
  6. Step 6: Final answer
    x = 3,913.24

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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.