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Finding the Fourth Proportional to 2,002.70, 2,763.71 and 1,106.49

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Solution

The fourth proportional to 2,002.70, 2,763.71 and 1,106.49 is: 1,526.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.70 : 2,763.71 = 1,106.49 : x
  2. Step 2: Convert to fraction form
    2,002.70/2,763.71 = 1,106.49/x
  3. Step 3: Cross multiply
    2,002.70x = 2,763.71 × 1,106.49
  4. Step 4: Simplify right side
    2,002.70x = 3,058,011.95
  5. Step 5: Solve for x
    x = 3,058,011.95/2,002.70
  6. Step 6: Final answer
    x = 1,526.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.