Home / 3,935.30-5,898.08-1,986.44

Finding the Fourth Proportional to 3,935.30, 5,898.08 and 1,986.44

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Solution

The fourth proportional to 3,935.30, 5,898.08 and 1,986.44 is: 2,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.30 : 5,898.08 = 1,986.44 : x
  2. Step 2: Convert to fraction form
    3,935.30/5,898.08 = 1,986.44/x
  3. Step 3: Cross multiply
    3,935.30x = 5,898.08 × 1,986.44
  4. Step 4: Simplify right side
    3,935.30x = 11,716,182.04
  5. Step 5: Solve for x
    x = 11,716,182.04/3,935.30
  6. Step 6: Final answer
    x = 2,977.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.