Home / 1,942.64-2,680.84-1,058.44

Finding the Fourth Proportional to 1,942.64, 2,680.84 and 1,058.44

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Solution

The fourth proportional to 1,942.64, 2,680.84 and 1,058.44 is: 1,460.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.64 : 2,680.84 = 1,058.44 : x
  2. Step 2: Convert to fraction form
    1,942.64/2,680.84 = 1,058.44/x
  3. Step 3: Cross multiply
    1,942.64x = 2,680.84 × 1,058.44
  4. Step 4: Simplify right side
    1,942.64x = 2,837,508.29
  5. Step 5: Solve for x
    x = 2,837,508.29/1,942.64
  6. Step 6: Final answer
    x = 1,460.65

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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.