Home / 1,928.94-2,894.30-1,050.14

Finding the Fourth Proportional to 1,928.94, 2,894.30 and 1,050.14

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Solution

The fourth proportional to 1,928.94, 2,894.30 and 1,050.14 is: 1,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.94 : 2,894.30 = 1,050.14 : x
  2. Step 2: Convert to fraction form
    1,928.94/2,894.30 = 1,050.14/x
  3. Step 3: Cross multiply
    1,928.94x = 2,894.30 × 1,050.14
  4. Step 4: Simplify right side
    1,928.94x = 3,039,400.48
  5. Step 5: Solve for x
    x = 3,039,400.48/1,928.94
  6. Step 6: Final answer
    x = 1,575.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.