Home / 3,430.72-5,147.16-2,333.44

Finding the Fourth Proportional to 3,430.72, 5,147.16 and 2,333.44

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Solution

The fourth proportional to 3,430.72, 5,147.16 and 2,333.44 is: 3,500.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.72 : 5,147.16 = 2,333.44 : x
  2. Step 2: Convert to fraction form
    3,430.72/5,147.16 = 2,333.44/x
  3. Step 3: Cross multiply
    3,430.72x = 5,147.16 × 2,333.44
  4. Step 4: Simplify right side
    3,430.72x = 12,010,589.03
  5. Step 5: Solve for x
    x = 12,010,589.03/3,430.72
  6. Step 6: Final answer
    x = 3,500.89

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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.