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Finding the Fourth Proportional to 2,044.45, 3,066.71 and 505.45

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Solution

The fourth proportional to 2,044.45, 3,066.71 and 505.45 is: 758.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.45 : 3,066.71 = 505.45 : x
  2. Step 2: Convert to fraction form
    2,044.45/3,066.71 = 505.45/x
  3. Step 3: Cross multiply
    2,044.45x = 3,066.71 × 505.45
  4. Step 4: Simplify right side
    2,044.45x = 1,550,066.04
  5. Step 5: Solve for x
    x = 1,550,066.04/2,044.45
  6. Step 6: Final answer
    x = 758.18

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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.