Home / 3,172.63-4,379.16-1,846.87

Finding the Fourth Proportional to 3,172.63, 4,379.16 and 1,846.87

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Solution

The fourth proportional to 3,172.63, 4,379.16 and 1,846.87 is: 2,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.63 : 4,379.16 = 1,846.87 : x
  2. Step 2: Convert to fraction form
    3,172.63/4,379.16 = 1,846.87/x
  3. Step 3: Cross multiply
    3,172.63x = 4,379.16 × 1,846.87
  4. Step 4: Simplify right side
    3,172.63x = 8,087,739.23
  5. Step 5: Solve for x
    x = 8,087,739.23/3,172.63
  6. Step 6: Final answer
    x = 2,549.22

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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.