Home / 4,190.65-6,284.42-1,228.34

Finding the Fourth Proportional to 4,190.65, 6,284.42 and 1,228.34

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Solution

The fourth proportional to 4,190.65, 6,284.42 and 1,228.34 is: 1,842.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.65 : 6,284.42 = 1,228.34 : x
  2. Step 2: Convert to fraction form
    4,190.65/6,284.42 = 1,228.34/x
  3. Step 3: Cross multiply
    4,190.65x = 6,284.42 × 1,228.34
  4. Step 4: Simplify right side
    4,190.65x = 7,719,379.63
  5. Step 5: Solve for x
    x = 7,719,379.63/4,190.65
  6. Step 6: Final answer
    x = 1,842.05

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1.5x scale

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.