Home / 3,225.40-4,836.18-1,276.60

Finding the Fourth Proportional to 3,225.40, 4,836.18 and 1,276.60

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Solution

The fourth proportional to 3,225.40, 4,836.18 and 1,276.60 is: 1,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.40 : 4,836.18 = 1,276.60 : x
  2. Step 2: Convert to fraction form
    3,225.40/4,836.18 = 1,276.60/x
  3. Step 3: Cross multiply
    3,225.40x = 4,836.18 × 1,276.60
  4. Step 4: Simplify right side
    3,225.40x = 6,173,867.39
  5. Step 5: Solve for x
    x = 6,173,867.39/3,225.40
  6. Step 6: Final answer
    x = 1,914.14

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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.