Home / 2,290.05-3,431.51-1,771.34

Finding the Fourth Proportional to 2,290.05, 3,431.51 and 1,771.34

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Solution

The fourth proportional to 2,290.05, 3,431.51 and 1,771.34 is: 2,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290.05 : 3,431.51 = 1,771.34 : x
  2. Step 2: Convert to fraction form
    2,290.05/3,431.51 = 1,771.34/x
  3. Step 3: Cross multiply
    2,290.05x = 3,431.51 × 1,771.34
  4. Step 4: Simplify right side
    2,290.05x = 6,078,344.91
  5. Step 5: Solve for x
    x = 6,078,344.91/2,290.05
  6. Step 6: Final answer
    x = 2,654.24

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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.