Home / 4,267.26-6,401.76-2,419.20

Finding the Fourth Proportional to 4,267.26, 6,401.76 and 2,419.20

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Solution

The fourth proportional to 4,267.26, 6,401.76 and 2,419.20 is: 3,629.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.26 : 6,401.76 = 2,419.20 : x
  2. Step 2: Convert to fraction form
    4,267.26/6,401.76 = 2,419.20/x
  3. Step 3: Cross multiply
    4,267.26x = 6,401.76 × 2,419.20
  4. Step 4: Simplify right side
    4,267.26x = 15,487,115.74
  5. Step 5: Solve for x
    x = 15,487,115.74/4,267.26
  6. Step 6: Final answer
    x = 3,629.29

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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.