Home / 3,004.22-4,145.70-1,677.90

Finding the Fourth Proportional to 3,004.22, 4,145.70 and 1,677.90

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Solution

The fourth proportional to 3,004.22, 4,145.70 and 1,677.90 is: 2,315.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,004.22 : 4,145.70 = 1,677.90 : x
  2. Step 2: Convert to fraction form
    3,004.22/4,145.70 = 1,677.90/x
  3. Step 3: Cross multiply
    3,004.22x = 4,145.70 × 1,677.90
  4. Step 4: Simplify right side
    3,004.22x = 6,956,070.03
  5. Step 5: Solve for x
    x = 6,956,070.03/3,004.22
  6. Step 6: Final answer
    x = 2,315.43

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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.