Home / 1,943.16-2,680.80-1,522.77

Finding the Fourth Proportional to 1,943.16, 2,680.80 and 1,522.77

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Solution

The fourth proportional to 1,943.16, 2,680.80 and 1,522.77 is: 2,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.16 : 2,680.80 = 1,522.77 : x
  2. Step 2: Convert to fraction form
    1,943.16/2,680.80 = 1,522.77/x
  3. Step 3: Cross multiply
    1,943.16x = 2,680.80 × 1,522.77
  4. Step 4: Simplify right side
    1,943.16x = 4,082,241.82
  5. Step 5: Solve for x
    x = 4,082,241.82/1,943.16
  6. Step 6: Final answer
    x = 2,100.83

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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.