Home / 1,916.31-2,874.44-1,050.15

Finding the Fourth Proportional to 1,916.31, 2,874.44 and 1,050.15

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Solution

The fourth proportional to 1,916.31, 2,874.44 and 1,050.15 is: 1,575.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.31 : 2,874.44 = 1,050.15 : x
  2. Step 2: Convert to fraction form
    1,916.31/2,874.44 = 1,050.15/x
  3. Step 3: Cross multiply
    1,916.31x = 2,874.44 × 1,050.15
  4. Step 4: Simplify right side
    1,916.31x = 3,018,587.92
  5. Step 5: Solve for x
    x = 3,018,587.92/1,916.31
  6. Step 6: Final answer
    x = 1,575.21

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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.