Home / 1,942.55-2,680.62-1,058.35

Finding the Fourth Proportional to 1,942.55, 2,680.62 and 1,058.35

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Solution

The fourth proportional to 1,942.55, 2,680.62 and 1,058.35 is: 1,460.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.55 : 2,680.62 = 1,058.35 : x
  2. Step 2: Convert to fraction form
    1,942.55/2,680.62 = 1,058.35/x
  3. Step 3: Cross multiply
    1,942.55x = 2,680.62 × 1,058.35
  4. Step 4: Simplify right side
    1,942.55x = 2,837,020.77
  5. Step 5: Solve for x
    x = 2,837,020.77/1,942.55
  6. Step 6: Final answer
    x = 1,460.47

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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.