Home / 3,101.81-4,280.45-1,704.56

Finding the Fourth Proportional to 3,101.81, 4,280.45 and 1,704.56

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Solution

The fourth proportional to 3,101.81, 4,280.45 and 1,704.56 is: 2,352.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.81 : 4,280.45 = 1,704.56 : x
  2. Step 2: Convert to fraction form
    3,101.81/4,280.45 = 1,704.56/x
  3. Step 3: Cross multiply
    3,101.81x = 4,280.45 × 1,704.56
  4. Step 4: Simplify right side
    3,101.81x = 7,296,253.93
  5. Step 5: Solve for x
    x = 7,296,253.93/3,101.81
  6. Step 6: Final answer
    x = 2,352.26

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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.