Home / 3,419.46-5,124.51-1,857.42

Finding the Fourth Proportional to 3,419.46, 5,124.51 and 1,857.42

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Solution

The fourth proportional to 3,419.46, 5,124.51 and 1,857.42 is: 2,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.46 : 5,124.51 = 1,857.42 : x
  2. Step 2: Convert to fraction form
    3,419.46/5,124.51 = 1,857.42/x
  3. Step 3: Cross multiply
    3,419.46x = 5,124.51 × 1,857.42
  4. Step 4: Simplify right side
    3,419.46x = 9,518,367.36
  5. Step 5: Solve for x
    x = 9,518,367.36/3,419.46
  6. Step 6: Final answer
    x = 2,783.59

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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.