Home / 2,137.12-3,205.68-598.08

Finding the Fourth Proportional to 2,137.12, 3,205.68 and 598.08

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Solution

The fourth proportional to 2,137.12, 3,205.68 and 598.08 is: 897.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.12 : 3,205.68 = 598.08 : x
  2. Step 2: Convert to fraction form
    2,137.12/3,205.68 = 598.08/x
  3. Step 3: Cross multiply
    2,137.12x = 3,205.68 × 598.08
  4. Step 4: Simplify right side
    2,137.12x = 1,917,253.09
  5. Step 5: Solve for x
    x = 1,917,253.09/2,137.12
  6. Step 6: Final answer
    x = 897.12

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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.