Home / 3,419.91-5,127.59-1,755.06

Finding the Fourth Proportional to 3,419.91, 5,127.59 and 1,755.06

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Solution

The fourth proportional to 3,419.91, 5,127.59 and 1,755.06 is: 2,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.91 : 5,127.59 = 1,755.06 : x
  2. Step 2: Convert to fraction form
    3,419.91/5,127.59 = 1,755.06/x
  3. Step 3: Cross multiply
    3,419.91x = 5,127.59 × 1,755.06
  4. Step 4: Simplify right side
    3,419.91x = 8,999,219.33
  5. Step 5: Solve for x
    x = 8,999,219.33/3,419.91
  6. Step 6: Final answer
    x = 2,631.42

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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.