Home / 3,109.93-4,687.73-3,066.19

Finding the Fourth Proportional to 3,109.93, 4,687.73 and 3,066.19

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Solution

The fourth proportional to 3,109.93, 4,687.73 and 3,066.19 is: 4,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.93 : 4,687.73 = 3,066.19 : x
  2. Step 2: Convert to fraction form
    3,109.93/4,687.73 = 3,066.19/x
  3. Step 3: Cross multiply
    3,109.93x = 4,687.73 × 3,066.19
  4. Step 4: Simplify right side
    3,109.93x = 14,373,470.85
  5. Step 5: Solve for x
    x = 14,373,470.85/3,109.93
  6. Step 6: Final answer
    x = 4,621.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.