Home / 3,570.93-4,930.62-2,783.61

Finding the Fourth Proportional to 3,570.93, 4,930.62 and 2,783.61

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Solution

The fourth proportional to 3,570.93, 4,930.62 and 2,783.61 is: 3,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.93 : 4,930.62 = 2,783.61 : x
  2. Step 2: Convert to fraction form
    3,570.93/4,930.62 = 2,783.61/x
  3. Step 3: Cross multiply
    3,570.93x = 4,930.62 × 2,783.61
  4. Step 4: Simplify right side
    3,570.93x = 13,724,923.14
  5. Step 5: Solve for x
    x = 13,724,923.14/3,570.93
  6. Step 6: Final answer
    x = 3,843.52

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1.5x scale

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.