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Finding the Fourth Proportional to 3,358, 4,634.58 and 1,960.75

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Solution

The fourth proportional to 3,358, 4,634.58 and 1,960.75 is: 2,706.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358 : 4,634.58 = 1,960.75 : x
  2. Step 2: Convert to fraction form
    3,358/4,634.58 = 1,960.75/x
  3. Step 3: Cross multiply
    3,358x = 4,634.58 × 1,960.75
  4. Step 4: Simplify right side
    3,358x = 9,087,252.74
  5. Step 5: Solve for x
    x = 9,087,252.74/3,358
  6. Step 6: Final answer
    x = 2,706.15

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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.