Home / 3,004.31-4,145.80-1,677.75

Finding the Fourth Proportional to 3,004.31, 4,145.80 and 1,677.75

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Solution

The fourth proportional to 3,004.31, 4,145.80 and 1,677.75 is: 2,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.31 : 4,145.80 = 1,677.75 : x
  2. Step 2: Convert to fraction form
    3,004.31/4,145.80 = 1,677.75/x
  3. Step 3: Cross multiply
    3,004.31x = 4,145.80 × 1,677.75
  4. Step 4: Simplify right side
    3,004.31x = 6,955,615.95
  5. Step 5: Solve for x
    x = 6,955,615.95/3,004.31
  6. Step 6: Final answer
    x = 2,315.21

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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.