Home / 2,838.21-3,916.82-1,719.36

Finding the Fourth Proportional to 2,838.21, 3,916.82 and 1,719.36

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Solution

The fourth proportional to 2,838.21, 3,916.82 and 1,719.36 is: 2,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.21 : 3,916.82 = 1,719.36 : x
  2. Step 2: Convert to fraction form
    2,838.21/3,916.82 = 1,719.36/x
  3. Step 3: Cross multiply
    2,838.21x = 3,916.82 × 1,719.36
  4. Step 4: Simplify right side
    2,838.21x = 6,734,423.64
  5. Step 5: Solve for x
    x = 6,734,423.64/2,838.21
  6. Step 6: Final answer
    x = 2,372.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.