Home / 3,291.44-4,894.83-3,187.62

Finding the Fourth Proportional to 3,291.44, 4,894.83 and 3,187.62

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Solution

The fourth proportional to 3,291.44, 4,894.83 and 3,187.62 is: 4,740.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.44 : 4,894.83 = 3,187.62 : x
  2. Step 2: Convert to fraction form
    3,291.44/4,894.83 = 3,187.62/x
  3. Step 3: Cross multiply
    3,291.44x = 4,894.83 × 3,187.62
  4. Step 4: Simplify right side
    3,291.44x = 15,602,858.00
  5. Step 5: Solve for x
    x = 15,602,858.00/3,291.44
  6. Step 6: Final answer
    x = 4,740.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.