Home / 2,087.08-2,879.80-1,202.92

Finding the Fourth Proportional to 2,087.08, 2,879.80 and 1,202.92

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Solution

The fourth proportional to 2,087.08, 2,879.80 and 1,202.92 is: 1,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087.08 : 2,879.80 = 1,202.92 : x
  2. Step 2: Convert to fraction form
    2,087.08/2,879.80 = 1,202.92/x
  3. Step 3: Cross multiply
    2,087.08x = 2,879.80 × 1,202.92
  4. Step 4: Simplify right side
    2,087.08x = 3,464,169.02
  5. Step 5: Solve for x
    x = 3,464,169.02/2,087.08
  6. Step 6: Final answer
    x = 1,659.82

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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.