Home / 2,085.26-3,125.44-1,160.36

Finding the Fourth Proportional to 2,085.26, 3,125.44 and 1,160.36

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Solution

The fourth proportional to 2,085.26, 3,125.44 and 1,160.36 is: 1,739.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.26 : 3,125.44 = 1,160.36 : x
  2. Step 2: Convert to fraction form
    2,085.26/3,125.44 = 1,160.36/x
  3. Step 3: Cross multiply
    2,085.26x = 3,125.44 × 1,160.36
  4. Step 4: Simplify right side
    2,085.26x = 3,626,635.56
  5. Step 5: Solve for x
    x = 3,626,635.56/2,085.26
  6. Step 6: Final answer
    x = 1,739.18

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1.5x scale

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.