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Finding the Fourth Proportional to 2,000.60, 2,760.68 and 1,161.17

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Solution

The fourth proportional to 2,000.60, 2,760.68 and 1,161.17 is: 1,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000.60 : 2,760.68 = 1,161.17 : x
  2. Step 2: Convert to fraction form
    2,000.60/2,760.68 = 1,161.17/x
  3. Step 3: Cross multiply
    2,000.60x = 2,760.68 × 1,161.17
  4. Step 4: Simplify right side
    2,000.60x = 3,205,605.46
  5. Step 5: Solve for x
    x = 3,205,605.46/2,000.60
  6. Step 6: Final answer
    x = 1,602.32

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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.