Home / 3,173.90-4,761.18-1,323.98

Finding the Fourth Proportional to 3,173.90, 4,761.18 and 1,323.98

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Solution

The fourth proportional to 3,173.90, 4,761.18 and 1,323.98 is: 1,986.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.90 : 4,761.18 = 1,323.98 : x
  2. Step 2: Convert to fraction form
    3,173.90/4,761.18 = 1,323.98/x
  3. Step 3: Cross multiply
    3,173.90x = 4,761.18 × 1,323.98
  4. Step 4: Simplify right side
    3,173.90x = 6,303,707.10
  5. Step 5: Solve for x
    x = 6,303,707.10/3,173.90
  6. Step 6: Final answer
    x = 1,986.11

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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.