Home / 3,476.71-5,214.93-1,285.39

Finding the Fourth Proportional to 3,476.71, 5,214.93 and 1,285.39

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Solution

The fourth proportional to 3,476.71, 5,214.93 and 1,285.39 is: 1,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.71 : 5,214.93 = 1,285.39 : x
  2. Step 2: Convert to fraction form
    3,476.71/5,214.93 = 1,285.39/x
  3. Step 3: Cross multiply
    3,476.71x = 5,214.93 × 1,285.39
  4. Step 4: Simplify right side
    3,476.71x = 6,703,218.87
  5. Step 5: Solve for x
    x = 6,703,218.87/3,476.71
  6. Step 6: Final answer
    x = 1,928.04

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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.