Home / 1,916.84-2,876.06-1,673.80

Finding the Fourth Proportional to 1,916.84, 2,876.06 and 1,673.80

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Solution

The fourth proportional to 1,916.84, 2,876.06 and 1,673.80 is: 2,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.84 : 2,876.06 = 1,673.80 : x
  2. Step 2: Convert to fraction form
    1,916.84/2,876.06 = 1,673.80/x
  3. Step 3: Cross multiply
    1,916.84x = 2,876.06 × 1,673.80
  4. Step 4: Simplify right side
    1,916.84x = 4,813,949.23
  5. Step 5: Solve for x
    x = 4,813,949.23/1,916.84
  6. Step 6: Final answer
    x = 2,511.40

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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.