Home / 3,046.70-4,204.42-1,720.66

Finding the Fourth Proportional to 3,046.70, 4,204.42 and 1,720.66

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Solution

The fourth proportional to 3,046.70, 4,204.42 and 1,720.66 is: 2,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.70 : 4,204.42 = 1,720.66 : x
  2. Step 2: Convert to fraction form
    3,046.70/4,204.42 = 1,720.66/x
  3. Step 3: Cross multiply
    3,046.70x = 4,204.42 × 1,720.66
  4. Step 4: Simplify right side
    3,046.70x = 7,234,362.50
  5. Step 5: Solve for x
    x = 7,234,362.50/3,046.70
  6. Step 6: Final answer
    x = 2,374.50

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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.