Home / 3,755.70-5,181.03-2,430.54

Finding the Fourth Proportional to 3,755.70, 5,181.03 and 2,430.54

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Solution

The fourth proportional to 3,755.70, 5,181.03 and 2,430.54 is: 3,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.70 : 5,181.03 = 2,430.54 : x
  2. Step 2: Convert to fraction form
    3,755.70/5,181.03 = 2,430.54/x
  3. Step 3: Cross multiply
    3,755.70x = 5,181.03 × 2,430.54
  4. Step 4: Simplify right side
    3,755.70x = 12,592,700.66
  5. Step 5: Solve for x
    x = 12,592,700.66/3,755.70
  6. Step 6: Final answer
    x = 3,352.96

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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.