Home / 3,163.07-4,357.92-2,205.08

Finding the Fourth Proportional to 3,163.07, 4,357.92 and 2,205.08

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Solution

The fourth proportional to 3,163.07, 4,357.92 and 2,205.08 is: 3,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.07 : 4,357.92 = 2,205.08 : x
  2. Step 2: Convert to fraction form
    3,163.07/4,357.92 = 2,205.08/x
  3. Step 3: Cross multiply
    3,163.07x = 4,357.92 × 2,205.08
  4. Step 4: Simplify right side
    3,163.07x = 9,609,573.13
  5. Step 5: Solve for x
    x = 9,609,573.13/3,163.07
  6. Step 6: Final answer
    x = 3,038.05

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1.5x scale

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.