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Finding the Fourth Proportional to 1,336.85, 2,017.13 and 1,336.85

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Solution

The fourth proportional to 1,336.85, 2,017.13 and 1,336.85 is: 2,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.85 : 2,017.13 = 1,336.85 : x
  2. Step 2: Convert to fraction form
    1,336.85/2,017.13 = 1,336.85/x
  3. Step 3: Cross multiply
    1,336.85x = 2,017.13 × 1,336.85
  4. Step 4: Simplify right side
    1,336.85x = 2,696,600.24
  5. Step 5: Solve for x
    x = 2,696,600.24/1,336.85
  6. Step 6: Final answer
    x = 2,017.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.