Home / 3,238.02-4,858.74-1,290.24

Finding the Fourth Proportional to 3,238.02, 4,858.74 and 1,290.24

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Solution

The fourth proportional to 3,238.02, 4,858.74 and 1,290.24 is: 1,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.02 : 4,858.74 = 1,290.24 : x
  2. Step 2: Convert to fraction form
    3,238.02/4,858.74 = 1,290.24/x
  3. Step 3: Cross multiply
    3,238.02x = 4,858.74 × 1,290.24
  4. Step 4: Simplify right side
    3,238.02x = 6,268,940.70
  5. Step 5: Solve for x
    x = 6,268,940.70/3,238.02
  6. Step 6: Final answer
    x = 1,936.04

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1.5x scale

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.