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Finding the Fourth Proportional to 3,530.84, 4,894.88 and 3,343.59

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Solution

The fourth proportional to 3,530.84, 4,894.88 and 3,343.59 is: 4,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.84 : 4,894.88 = 3,343.59 : x
  2. Step 2: Convert to fraction form
    3,530.84/4,894.88 = 3,343.59/x
  3. Step 3: Cross multiply
    3,530.84x = 4,894.88 × 3,343.59
  4. Step 4: Simplify right side
    3,530.84x = 16,366,455.10
  5. Step 5: Solve for x
    x = 16,366,455.10/3,530.84
  6. Step 6: Final answer
    x = 4,635.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.