Home / 2,035.40-2,808.80-1,103.88

Finding the Fourth Proportional to 2,035.40, 2,808.80 and 1,103.88

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Solution

The fourth proportional to 2,035.40, 2,808.80 and 1,103.88 is: 1,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,035.40 : 2,808.80 = 1,103.88 : x
  2. Step 2: Convert to fraction form
    2,035.40/2,808.80 = 1,103.88/x
  3. Step 3: Cross multiply
    2,035.40x = 2,808.80 × 1,103.88
  4. Step 4: Simplify right side
    2,035.40x = 3,100,578.14
  5. Step 5: Solve for x
    x = 3,100,578.14/2,035.40
  6. Step 6: Final answer
    x = 1,523.33

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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.