Home / 1,634.23-2,255.35-926.07

Finding the Fourth Proportional to 1,634.23, 2,255.35 and 926.07

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Solution

The fourth proportional to 1,634.23, 2,255.35 and 926.07 is: 1,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.23 : 2,255.35 = 926.07 : x
  2. Step 2: Convert to fraction form
    1,634.23/2,255.35 = 926.07/x
  3. Step 3: Cross multiply
    1,634.23x = 2,255.35 × 926.07
  4. Step 4: Simplify right side
    1,634.23x = 2,088,611.97
  5. Step 5: Solve for x
    x = 2,088,611.97/1,634.23
  6. Step 6: Final answer
    x = 1,278.04

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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.