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Finding the Fourth Proportional to 1,713.03, 2,566.82 and 983.12

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Solution

The fourth proportional to 1,713.03, 2,566.82 and 983.12 is: 1,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,713.03 : 2,566.82 = 983.12 : x
  2. Step 2: Convert to fraction form
    1,713.03/2,566.82 = 983.12/x
  3. Step 3: Cross multiply
    1,713.03x = 2,566.82 × 983.12
  4. Step 4: Simplify right side
    1,713.03x = 2,523,474.33
  5. Step 5: Solve for x
    x = 2,523,474.33/1,713.03
  6. Step 6: Final answer
    x = 1,473.11

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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.