Home / 4,120.58-6,182.90-1,928.93

Finding the Fourth Proportional to 4,120.58, 6,182.90 and 1,928.93

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Solution

The fourth proportional to 4,120.58, 6,182.90 and 1,928.93 is: 2,894.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.58 : 6,182.90 = 1,928.93 : x
  2. Step 2: Convert to fraction form
    4,120.58/6,182.90 = 1,928.93/x
  3. Step 3: Cross multiply
    4,120.58x = 6,182.90 × 1,928.93
  4. Step 4: Simplify right side
    4,120.58x = 11,926,340.74
  5. Step 5: Solve for x
    x = 11,926,340.74/4,120.58
  6. Step 6: Final answer
    x = 2,894.34

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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.