Home / 3,932.10-5,899.59-1,984.50

Finding the Fourth Proportional to 3,932.10, 5,899.59 and 1,984.50

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Solution

The fourth proportional to 3,932.10, 5,899.59 and 1,984.50 is: 2,977.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.10 : 5,899.59 = 1,984.50 : x
  2. Step 2: Convert to fraction form
    3,932.10/5,899.59 = 1,984.50/x
  3. Step 3: Cross multiply
    3,932.10x = 5,899.59 × 1,984.50
  4. Step 4: Simplify right side
    3,932.10x = 11,707,736.36
  5. Step 5: Solve for x
    x = 11,707,736.36/3,932.10
  6. Step 6: Final answer
    x = 2,977.48

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1.5x scale

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.