Home / 3,046.85-4,204.61-1,720.98

Finding the Fourth Proportional to 3,046.85, 4,204.61 and 1,720.98

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Solution

The fourth proportional to 3,046.85, 4,204.61 and 1,720.98 is: 2,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.85 : 4,204.61 = 1,720.98 : x
  2. Step 2: Convert to fraction form
    3,046.85/4,204.61 = 1,720.98/x
  3. Step 3: Cross multiply
    3,046.85x = 4,204.61 × 1,720.98
  4. Step 4: Simplify right side
    3,046.85x = 7,236,047.57
  5. Step 5: Solve for x
    x = 7,236,047.57/3,046.85
  6. Step 6: Final answer
    x = 2,374.93

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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.