Home / 2,853.21-4,280.35-1,004.12

Finding the Fourth Proportional to 2,853.21, 4,280.35 and 1,004.12

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Solution

The fourth proportional to 2,853.21, 4,280.35 and 1,004.12 is: 1,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.21 : 4,280.35 = 1,004.12 : x
  2. Step 2: Convert to fraction form
    2,853.21/4,280.35 = 1,004.12/x
  3. Step 3: Cross multiply
    2,853.21x = 4,280.35 × 1,004.12
  4. Step 4: Simplify right side
    2,853.21x = 4,297,963.64
  5. Step 5: Solve for x
    x = 4,297,963.64/2,853.21
  6. Step 6: Final answer
    x = 1,506.36

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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.