Home / 1,634.12-2,256.92-1,109.24

Finding the Fourth Proportional to 1,634.12, 2,256.92 and 1,109.24

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Solution

The fourth proportional to 1,634.12, 2,256.92 and 1,109.24 is: 1,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.12 : 2,256.92 = 1,109.24 : x
  2. Step 2: Convert to fraction form
    1,634.12/2,256.92 = 1,109.24/x
  3. Step 3: Cross multiply
    1,634.12x = 2,256.92 × 1,109.24
  4. Step 4: Simplify right side
    1,634.12x = 2,503,465.94
  5. Step 5: Solve for x
    x = 2,503,465.94/1,634.12
  6. Step 6: Final answer
    x = 1,532.00

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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.