Home / 1,904.94-2,628.78-1,054.17

Finding the Fourth Proportional to 1,904.94, 2,628.78 and 1,054.17

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Solution

The fourth proportional to 1,904.94, 2,628.78 and 1,054.17 is: 1,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.94 : 2,628.78 = 1,054.17 : x
  2. Step 2: Convert to fraction form
    1,904.94/2,628.78 = 1,054.17/x
  3. Step 3: Cross multiply
    1,904.94x = 2,628.78 × 1,054.17
  4. Step 4: Simplify right side
    1,904.94x = 2,771,181.01
  5. Step 5: Solve for x
    x = 2,771,181.01/1,904.94
  6. Step 6: Final answer
    x = 1,454.73

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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.