Home / 3,157.23-4,729.79-1,766.36

Finding the Fourth Proportional to 3,157.23, 4,729.79 and 1,766.36

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Solution

The fourth proportional to 3,157.23, 4,729.79 and 1,766.36 is: 2,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157.23 : 4,729.79 = 1,766.36 : x
  2. Step 2: Convert to fraction form
    3,157.23/4,729.79 = 1,766.36/x
  3. Step 3: Cross multiply
    3,157.23x = 4,729.79 × 1,766.36
  4. Step 4: Simplify right side
    3,157.23x = 8,354,501.50
  5. Step 5: Solve for x
    x = 8,354,501.50/3,157.23
  6. Step 6: Final answer
    x = 2,646.15

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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.