Home / 3,560.03-4,912.83-1,988.12

Finding the Fourth Proportional to 3,560.03, 4,912.83 and 1,988.12

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Solution

The fourth proportional to 3,560.03, 4,912.83 and 1,988.12 is: 2,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.03 : 4,912.83 = 1,988.12 : x
  2. Step 2: Convert to fraction form
    3,560.03/4,912.83 = 1,988.12/x
  3. Step 3: Cross multiply
    3,560.03x = 4,912.83 × 1,988.12
  4. Step 4: Simplify right side
    3,560.03x = 9,767,289.44
  5. Step 5: Solve for x
    x = 9,767,289.44/3,560.03
  6. Step 6: Final answer
    x = 2,743.60

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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.