Home / 2,085.96-2,879.26-1,202.35

Finding the Fourth Proportional to 2,085.96, 2,879.26 and 1,202.35

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Solution

The fourth proportional to 2,085.96, 2,879.26 and 1,202.35 is: 1,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.96 : 2,879.26 = 1,202.35 : x
  2. Step 2: Convert to fraction form
    2,085.96/2,879.26 = 1,202.35/x
  3. Step 3: Cross multiply
    2,085.96x = 2,879.26 × 1,202.35
  4. Step 4: Simplify right side
    2,085.96x = 3,461,880.22
  5. Step 5: Solve for x
    x = 3,461,880.22/2,085.96
  6. Step 6: Final answer
    x = 1,659.61

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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.