Home / 3,224.88-4,838.94-1,278.45

Finding the Fourth Proportional to 3,224.88, 4,838.94 and 1,278.45

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Solution

The fourth proportional to 3,224.88, 4,838.94 and 1,278.45 is: 1,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.88 : 4,838.94 = 1,278.45 : x
  2. Step 2: Convert to fraction form
    3,224.88/4,838.94 = 1,278.45/x
  3. Step 3: Cross multiply
    3,224.88x = 4,838.94 × 1,278.45
  4. Step 4: Simplify right side
    3,224.88x = 6,186,342.84
  5. Step 5: Solve for x
    x = 6,186,342.84/3,224.88
  6. Step 6: Final answer
    x = 1,918.32

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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.