Home / 3,046.55-4,203.76-1,720.07

Finding the Fourth Proportional to 3,046.55, 4,203.76 and 1,720.07

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Solution

The fourth proportional to 3,046.55, 4,203.76 and 1,720.07 is: 2,373.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.55 : 4,203.76 = 1,720.07 : x
  2. Step 2: Convert to fraction form
    3,046.55/4,203.76 = 1,720.07/x
  3. Step 3: Cross multiply
    3,046.55x = 4,203.76 × 1,720.07
  4. Step 4: Simplify right side
    3,046.55x = 7,230,761.46
  5. Step 5: Solve for x
    x = 7,230,761.46/3,046.55
  6. Step 6: Final answer
    x = 2,373.43

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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.