Home / 3,476.84-5,214.70-1,286.60

Finding the Fourth Proportional to 3,476.84, 5,214.70 and 1,286.60

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Solution

The fourth proportional to 3,476.84, 5,214.70 and 1,286.60 is: 1,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.84 : 5,214.70 = 1,286.60 : x
  2. Step 2: Convert to fraction form
    3,476.84/5,214.70 = 1,286.60/x
  3. Step 3: Cross multiply
    3,476.84x = 5,214.70 × 1,286.60
  4. Step 4: Simplify right side
    3,476.84x = 6,709,233.02
  5. Step 5: Solve for x
    x = 6,709,233.02/3,476.84
  6. Step 6: Final answer
    x = 1,929.69

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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.