Home / 3,458.61-4,771.42-2,041.72

Finding the Fourth Proportional to 3,458.61, 4,771.42 and 2,041.72

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Solution

The fourth proportional to 3,458.61, 4,771.42 and 2,041.72 is: 2,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.61 : 4,771.42 = 2,041.72 : x
  2. Step 2: Convert to fraction form
    3,458.61/4,771.42 = 2,041.72/x
  3. Step 3: Cross multiply
    3,458.61x = 4,771.42 × 2,041.72
  4. Step 4: Simplify right side
    3,458.61x = 9,741,886.61
  5. Step 5: Solve for x
    x = 9,741,886.61/3,458.61
  6. Step 6: Final answer
    x = 2,816.71

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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.