Home / 3,066.60-4,230.57-1,805.43

Finding the Fourth Proportional to 3,066.60, 4,230.57 and 1,805.43

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Solution

The fourth proportional to 3,066.60, 4,230.57 and 1,805.43 is: 2,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.60 : 4,230.57 = 1,805.43 : x
  2. Step 2: Convert to fraction form
    3,066.60/4,230.57 = 1,805.43/x
  3. Step 3: Cross multiply
    3,066.60x = 4,230.57 × 1,805.43
  4. Step 4: Simplify right side
    3,066.60x = 7,637,998.00
  5. Step 5: Solve for x
    x = 7,637,998.00/3,066.60
  6. Step 6: Final answer
    x = 2,490.71

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1.5x scale

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.