Home / 3,046.70-4,204.44-1,720.68

Finding the Fourth Proportional to 3,046.70, 4,204.44 and 1,720.68

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Solution

The fourth proportional to 3,046.70, 4,204.44 and 1,720.68 is: 2,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.70 : 4,204.44 = 1,720.68 : x
  2. Step 2: Convert to fraction form
    3,046.70/4,204.44 = 1,720.68/x
  3. Step 3: Cross multiply
    3,046.70x = 4,204.44 × 1,720.68
  4. Step 4: Simplify right side
    3,046.70x = 7,234,495.82
  5. Step 5: Solve for x
    x = 7,234,495.82/3,046.70
  6. Step 6: Final answer
    x = 2,374.54

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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.