Home / 3,419.84-4,719.42-2,240.91

Finding the Fourth Proportional to 3,419.84, 4,719.42 and 2,240.91

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Solution

The fourth proportional to 3,419.84, 4,719.42 and 2,240.91 is: 3,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.84 : 4,719.42 = 2,240.91 : x
  2. Step 2: Convert to fraction form
    3,419.84/4,719.42 = 2,240.91/x
  3. Step 3: Cross multiply
    3,419.84x = 4,719.42 × 2,240.91
  4. Step 4: Simplify right side
    3,419.84x = 10,575,795.47
  5. Step 5: Solve for x
    x = 10,575,795.47/3,419.84
  6. Step 6: Final answer
    x = 3,092.48

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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.