Home / 3,114.07-4,666.97-1,728.06

Finding the Fourth Proportional to 3,114.07, 4,666.97 and 1,728.06

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Solution

The fourth proportional to 3,114.07, 4,666.97 and 1,728.06 is: 2,589.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.07 : 4,666.97 = 1,728.06 : x
  2. Step 2: Convert to fraction form
    3,114.07/4,666.97 = 1,728.06/x
  3. Step 3: Cross multiply
    3,114.07x = 4,666.97 × 1,728.06
  4. Step 4: Simplify right side
    3,114.07x = 8,064,794.40
  5. Step 5: Solve for x
    x = 8,064,794.40/3,114.07
  6. Step 6: Final answer
    x = 2,589.79

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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.