Home / 2,086.98-2,879.91-1,203.36

Finding the Fourth Proportional to 2,086.98, 2,879.91 and 1,203.36

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Solution

The fourth proportional to 2,086.98, 2,879.91 and 1,203.36 is: 1,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086.98 : 2,879.91 = 1,203.36 : x
  2. Step 2: Convert to fraction form
    2,086.98/2,879.91 = 1,203.36/x
  3. Step 3: Cross multiply
    2,086.98x = 2,879.91 × 1,203.36
  4. Step 4: Simplify right side
    2,086.98x = 3,465,568.50
  5. Step 5: Solve for x
    x = 3,465,568.50/2,086.98
  6. Step 6: Final answer
    x = 1,660.57

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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.