Home / 1,874.58-2,579.98-1,376.43

Finding the Fourth Proportional to 1,874.58, 2,579.98 and 1,376.43

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Solution

The fourth proportional to 1,874.58, 2,579.98 and 1,376.43 is: 1,894.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.58 : 2,579.98 = 1,376.43 : x
  2. Step 2: Convert to fraction form
    1,874.58/2,579.98 = 1,376.43/x
  3. Step 3: Cross multiply
    1,874.58x = 2,579.98 × 1,376.43
  4. Step 4: Simplify right side
    1,874.58x = 3,551,161.87
  5. Step 5: Solve for x
    x = 3,551,161.87/1,874.58
  6. Step 6: Final answer
    x = 1,894.38

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Why These Related Problems?

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