Home / 3,415.29-4,707.44-2,419.29

Finding the Fourth Proportional to 3,415.29, 4,707.44 and 2,419.29

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Solution

The fourth proportional to 3,415.29, 4,707.44 and 2,419.29 is: 3,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.29 : 4,707.44 = 2,419.29 : x
  2. Step 2: Convert to fraction form
    3,415.29/4,707.44 = 2,419.29/x
  3. Step 3: Cross multiply
    3,415.29x = 4,707.44 × 2,419.29
  4. Step 4: Simplify right side
    3,415.29x = 11,388,650.42
  5. Step 5: Solve for x
    x = 11,388,650.42/3,415.29
  6. Step 6: Final answer
    x = 3,334.61

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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.