Home / 1,934.22-2,670.96-1,236.78

Finding the Fourth Proportional to 1,934.22, 2,670.96 and 1,236.78

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Solution

The fourth proportional to 1,934.22, 2,670.96 and 1,236.78 is: 1,707.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.22 : 2,670.96 = 1,236.78 : x
  2. Step 2: Convert to fraction form
    1,934.22/2,670.96 = 1,236.78/x
  3. Step 3: Cross multiply
    1,934.22x = 2,670.96 × 1,236.78
  4. Step 4: Simplify right side
    1,934.22x = 3,303,389.91
  5. Step 5: Solve for x
    x = 3,303,389.91/1,934.22
  6. Step 6: Final answer
    x = 1,707.87

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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.