Home / 1,919.29-2,880.94-1,701.31

Finding the Fourth Proportional to 1,919.29, 2,880.94 and 1,701.31

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Solution

The fourth proportional to 1,919.29, 2,880.94 and 1,701.31 is: 2,553.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.29 : 2,880.94 = 1,701.31 : x
  2. Step 2: Convert to fraction form
    1,919.29/2,880.94 = 1,701.31/x
  3. Step 3: Cross multiply
    1,919.29x = 2,880.94 × 1,701.31
  4. Step 4: Simplify right side
    1,919.29x = 4,901,372.03
  5. Step 5: Solve for x
    x = 4,901,372.03/1,919.29
  6. Step 6: Final answer
    x = 2,553.74

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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.