Home / 3,291.07-4,541.78-1,964.60

Finding the Fourth Proportional to 3,291.07, 4,541.78 and 1,964.60

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Solution

The fourth proportional to 3,291.07, 4,541.78 and 1,964.60 is: 2,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.07 : 4,541.78 = 1,964.60 : x
  2. Step 2: Convert to fraction form
    3,291.07/4,541.78 = 1,964.60/x
  3. Step 3: Cross multiply
    3,291.07x = 4,541.78 × 1,964.60
  4. Step 4: Simplify right side
    3,291.07x = 8,922,763.19
  5. Step 5: Solve for x
    x = 8,922,763.19/3,291.07
  6. Step 6: Final answer
    x = 2,711.21

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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.