Home / 3,122.13-4,684.73-1,736.49

Finding the Fourth Proportional to 3,122.13, 4,684.73 and 1,736.49

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Solution

The fourth proportional to 3,122.13, 4,684.73 and 1,736.49 is: 2,605.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.13 : 4,684.73 = 1,736.49 : x
  2. Step 2: Convert to fraction form
    3,122.13/4,684.73 = 1,736.49/x
  3. Step 3: Cross multiply
    3,122.13x = 4,684.73 × 1,736.49
  4. Step 4: Simplify right side
    3,122.13x = 8,134,978.12
  5. Step 5: Solve for x
    x = 8,134,978.12/3,122.13
  6. Step 6: Final answer
    x = 2,605.59

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1.5x scale

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.