Home / 3,046.74-4,204.47-1,720.86

Finding the Fourth Proportional to 3,046.74, 4,204.47 and 1,720.86

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Solution

The fourth proportional to 3,046.74, 4,204.47 and 1,720.86 is: 2,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.74 : 4,204.47 = 1,720.86 : x
  2. Step 2: Convert to fraction form
    3,046.74/4,204.47 = 1,720.86/x
  3. Step 3: Cross multiply
    3,046.74x = 4,204.47 × 1,720.86
  4. Step 4: Simplify right side
    3,046.74x = 7,235,304.24
  5. Step 5: Solve for x
    x = 7,235,304.24/3,046.74
  6. Step 6: Final answer
    x = 2,374.77

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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.