Home / 2,986.26-4,478.28-1,253.94

Finding the Fourth Proportional to 2,986.26, 4,478.28 and 1,253.94

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Solution

The fourth proportional to 2,986.26, 4,478.28 and 1,253.94 is: 1,880.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.26 : 4,478.28 = 1,253.94 : x
  2. Step 2: Convert to fraction form
    2,986.26/4,478.28 = 1,253.94/x
  3. Step 3: Cross multiply
    2,986.26x = 4,478.28 × 1,253.94
  4. Step 4: Simplify right side
    2,986.26x = 5,615,494.42
  5. Step 5: Solve for x
    x = 5,615,494.42/2,986.26
  6. Step 6: Final answer
    x = 1,880.44

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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.