Home / 2,847.55-4,271.79-1,204.12

Finding the Fourth Proportional to 2,847.55, 4,271.79 and 1,204.12

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Solution

The fourth proportional to 2,847.55, 4,271.79 and 1,204.12 is: 1,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.55 : 4,271.79 = 1,204.12 : x
  2. Step 2: Convert to fraction form
    2,847.55/4,271.79 = 1,204.12/x
  3. Step 3: Cross multiply
    2,847.55x = 4,271.79 × 1,204.12
  4. Step 4: Simplify right side
    2,847.55x = 5,143,747.77
  5. Step 5: Solve for x
    x = 5,143,747.77/2,847.55
  6. Step 6: Final answer
    x = 1,806.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.