Home / 2,085.16-3,125.80-1,352.56

Finding the Fourth Proportional to 2,085.16, 3,125.80 and 1,352.56

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Solution

The fourth proportional to 2,085.16, 3,125.80 and 1,352.56 is: 2,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085.16 : 3,125.80 = 1,352.56 : x
  2. Step 2: Convert to fraction form
    2,085.16/3,125.80 = 1,352.56/x
  3. Step 3: Cross multiply
    2,085.16x = 3,125.80 × 1,352.56
  4. Step 4: Simplify right side
    2,085.16x = 4,227,832.05
  5. Step 5: Solve for x
    x = 4,227,832.05/2,085.16
  6. Step 6: Final answer
    x = 2,027.58

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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.