Home / 3,486.27-5,225.76-1,293.60

Finding the Fourth Proportional to 3,486.27, 5,225.76 and 1,293.60

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Solution

The fourth proportional to 3,486.27, 5,225.76 and 1,293.60 is: 1,939.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.27 : 5,225.76 = 1,293.60 : x
  2. Step 2: Convert to fraction form
    3,486.27/5,225.76 = 1,293.60/x
  3. Step 3: Cross multiply
    3,486.27x = 5,225.76 × 1,293.60
  4. Step 4: Simplify right side
    3,486.27x = 6,760,043.14
  5. Step 5: Solve for x
    x = 6,760,043.14/3,486.27
  6. Step 6: Final answer
    x = 1,939.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.