Home / 2,126.07-2,933.96-1,181.86

Finding the Fourth Proportional to 2,126.07, 2,933.96 and 1,181.86

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Solution

The fourth proportional to 2,126.07, 2,933.96 and 1,181.86 is: 1,630.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.07 : 2,933.96 = 1,181.86 : x
  2. Step 2: Convert to fraction form
    2,126.07/2,933.96 = 1,181.86/x
  3. Step 3: Cross multiply
    2,126.07x = 2,933.96 × 1,181.86
  4. Step 4: Simplify right side
    2,126.07x = 3,467,532.92
  5. Step 5: Solve for x
    x = 3,467,532.92/2,126.07
  6. Step 6: Final answer
    x = 1,630.96

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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.