Home / 3,271.26-4,909.08-1,219.26

Finding the Fourth Proportional to 3,271.26, 4,909.08 and 1,219.26

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Solution

The fourth proportional to 3,271.26, 4,909.08 and 1,219.26 is: 1,829.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.26 : 4,909.08 = 1,219.26 : x
  2. Step 2: Convert to fraction form
    3,271.26/4,909.08 = 1,219.26/x
  3. Step 3: Cross multiply
    3,271.26x = 4,909.08 × 1,219.26
  4. Step 4: Simplify right side
    3,271.26x = 5,985,444.88
  5. Step 5: Solve for x
    x = 5,985,444.88/3,271.26
  6. Step 6: Final answer
    x = 1,829.71

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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.