Home / 3,174.51-4,761.78-2,077.36

Finding the Fourth Proportional to 3,174.51, 4,761.78 and 2,077.36

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Solution

The fourth proportional to 3,174.51, 4,761.78 and 2,077.36 is: 3,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.51 : 4,761.78 = 2,077.36 : x
  2. Step 2: Convert to fraction form
    3,174.51/4,761.78 = 2,077.36/x
  3. Step 3: Cross multiply
    3,174.51x = 4,761.78 × 2,077.36
  4. Step 4: Simplify right side
    3,174.51x = 9,891,931.30
  5. Step 5: Solve for x
    x = 9,891,931.30/3,174.51
  6. Step 6: Final answer
    x = 3,116.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.