Home / 1,941.92-2,682.62-1,505.44

Finding the Fourth Proportional to 1,941.92, 2,682.62 and 1,505.44

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Solution

The fourth proportional to 1,941.92, 2,682.62 and 1,505.44 is: 2,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.92 : 2,682.62 = 1,505.44 : x
  2. Step 2: Convert to fraction form
    1,941.92/2,682.62 = 1,505.44/x
  3. Step 3: Cross multiply
    1,941.92x = 2,682.62 × 1,505.44
  4. Step 4: Simplify right side
    1,941.92x = 4,038,523.45
  5. Step 5: Solve for x
    x = 4,038,523.45/1,941.92
  6. Step 6: Final answer
    x = 2,079.65

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1.5x scale

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.