Home / 1,904.87-2,628.39-1,065.54

Finding the Fourth Proportional to 1,904.87, 2,628.39 and 1,065.54

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Solution

The fourth proportional to 1,904.87, 2,628.39 and 1,065.54 is: 1,470.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.87 : 2,628.39 = 1,065.54 : x
  2. Step 2: Convert to fraction form
    1,904.87/2,628.39 = 1,065.54/x
  3. Step 3: Cross multiply
    1,904.87x = 2,628.39 × 1,065.54
  4. Step 4: Simplify right side
    1,904.87x = 2,800,654.68
  5. Step 5: Solve for x
    x = 2,800,654.68/1,904.87
  6. Step 6: Final answer
    x = 1,470.26

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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.