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Finding the Fourth Proportional to 1,706.06, 2,559.50 and 551.81

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Solution

The fourth proportional to 1,706.06, 2,559.50 and 551.81 is: 827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.06 : 2,559.50 = 551.81 : x
  2. Step 2: Convert to fraction form
    1,706.06/2,559.50 = 551.81/x
  3. Step 3: Cross multiply
    1,706.06x = 2,559.50 × 551.81
  4. Step 4: Simplify right side
    1,706.06x = 1,412,363.40
  5. Step 5: Solve for x
    x = 1,412,363.40/1,706.06
  6. Step 6: Final answer
    x = 827.85

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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.