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Finding the Fourth Proportional to 2,068.67, 2,857.67 and 1,881.83

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Solution

The fourth proportional to 2,068.67, 2,857.67 and 1,881.83 is: 2,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068.67 : 2,857.67 = 1,881.83 : x
  2. Step 2: Convert to fraction form
    2,068.67/2,857.67 = 1,881.83/x
  3. Step 3: Cross multiply
    2,068.67x = 2,857.67 × 1,881.83
  4. Step 4: Simplify right side
    2,068.67x = 5,377,653.93
  5. Step 5: Solve for x
    x = 5,377,653.93/2,068.67
  6. Step 6: Final answer
    x = 2,599.57

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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.