Home / 3,225.44-4,840.52-1,278.20

Finding the Fourth Proportional to 3,225.44, 4,840.52 and 1,278.20

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Solution

The fourth proportional to 3,225.44, 4,840.52 and 1,278.20 is: 1,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.44 : 4,840.52 = 1,278.20 : x
  2. Step 2: Convert to fraction form
    3,225.44/4,840.52 = 1,278.20/x
  3. Step 3: Cross multiply
    3,225.44x = 4,840.52 × 1,278.20
  4. Step 4: Simplify right side
    3,225.44x = 6,187,122.07
  5. Step 5: Solve for x
    x = 6,187,122.07/3,225.44
  6. Step 6: Final answer
    x = 1,918.23

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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.