Home / 1,941.53-2,678.84-1,102.04

Finding the Fourth Proportional to 1,941.53, 2,678.84 and 1,102.04

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Solution

The fourth proportional to 1,941.53, 2,678.84 and 1,102.04 is: 1,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.53 : 2,678.84 = 1,102.04 : x
  2. Step 2: Convert to fraction form
    1,941.53/2,678.84 = 1,102.04/x
  3. Step 3: Cross multiply
    1,941.53x = 2,678.84 × 1,102.04
  4. Step 4: Simplify right side
    1,941.53x = 2,952,169.93
  5. Step 5: Solve for x
    x = 2,952,169.93/1,941.53
  6. Step 6: Final answer
    x = 1,520.54

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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.