Home / 3,526-4,865.88-1,954.20

Finding the Fourth Proportional to 3,526, 4,865.88 and 1,954.20

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Solution

The fourth proportional to 3,526, 4,865.88 and 1,954.20 is: 2,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526 : 4,865.88 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    3,526/4,865.88 = 1,954.20/x
  3. Step 3: Cross multiply
    3,526x = 4,865.88 × 1,954.20
  4. Step 4: Simplify right side
    3,526x = 9,508,902.70
  5. Step 5: Solve for x
    x = 9,508,902.70/3,526
  6. Step 6: Final answer
    x = 2,696.80

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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.