Home / 2,351.08-3,242.62-1,511.88

Finding the Fourth Proportional to 2,351.08, 3,242.62 and 1,511.88

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Solution

The fourth proportional to 2,351.08, 3,242.62 and 1,511.88 is: 2,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.08 : 3,242.62 = 1,511.88 : x
  2. Step 2: Convert to fraction form
    2,351.08/3,242.62 = 1,511.88/x
  3. Step 3: Cross multiply
    2,351.08x = 3,242.62 × 1,511.88
  4. Step 4: Simplify right side
    2,351.08x = 4,902,452.33
  5. Step 5: Solve for x
    x = 4,902,452.33/2,351.08
  6. Step 6: Final answer
    x = 2,085.19

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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.