Home / 1,904.16-2,628.25-1,118.73

Finding the Fourth Proportional to 1,904.16, 2,628.25 and 1,118.73

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Solution

The fourth proportional to 1,904.16, 2,628.25 and 1,118.73 is: 1,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.16 : 2,628.25 = 1,118.73 : x
  2. Step 2: Convert to fraction form
    1,904.16/2,628.25 = 1,118.73/x
  3. Step 3: Cross multiply
    1,904.16x = 2,628.25 × 1,118.73
  4. Step 4: Simplify right side
    1,904.16x = 2,940,302.12
  5. Step 5: Solve for x
    x = 2,940,302.12/1,904.16
  6. Step 6: Final answer
    x = 1,544.15

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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.