Home / 3,173.56-4,761.32-1,420.04

Finding the Fourth Proportional to 3,173.56, 4,761.32 and 1,420.04

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Solution

The fourth proportional to 3,173.56, 4,761.32 and 1,420.04 is: 2,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.56 : 4,761.32 = 1,420.04 : x
  2. Step 2: Convert to fraction form
    3,173.56/4,761.32 = 1,420.04/x
  3. Step 3: Cross multiply
    3,173.56x = 4,761.32 × 1,420.04
  4. Step 4: Simplify right side
    3,173.56x = 6,761,273.65
  5. Step 5: Solve for x
    x = 6,761,273.65/3,173.56
  6. Step 6: Final answer
    x = 2,130.50

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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.