Home / 2,505.06-3,749.70-1,720.46

Finding the Fourth Proportional to 2,505.06, 3,749.70 and 1,720.46

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Solution

The fourth proportional to 2,505.06, 3,749.70 and 1,720.46 is: 2,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.06 : 3,749.70 = 1,720.46 : x
  2. Step 2: Convert to fraction form
    2,505.06/3,749.70 = 1,720.46/x
  3. Step 3: Cross multiply
    2,505.06x = 3,749.70 × 1,720.46
  4. Step 4: Simplify right side
    2,505.06x = 6,451,208.86
  5. Step 5: Solve for x
    x = 6,451,208.86/2,505.06
  6. Step 6: Final answer
    x = 2,575.27

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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.