Home / 3,240.84-4,857.74-1,292.04

Finding the Fourth Proportional to 3,240.84, 4,857.74 and 1,292.04

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Solution

The fourth proportional to 3,240.84, 4,857.74 and 1,292.04 is: 1,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.84 : 4,857.74 = 1,292.04 : x
  2. Step 2: Convert to fraction form
    3,240.84/4,857.74 = 1,292.04/x
  3. Step 3: Cross multiply
    3,240.84x = 4,857.74 × 1,292.04
  4. Step 4: Simplify right side
    3,240.84x = 6,276,394.39
  5. Step 5: Solve for x
    x = 6,276,394.39/3,240.84
  6. Step 6: Final answer
    x = 1,936.66

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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.