Home / 3,476.04-5,216.79-1,286.31

Finding the Fourth Proportional to 3,476.04, 5,216.79 and 1,286.31

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Solution

The fourth proportional to 3,476.04, 5,216.79 and 1,286.31 is: 1,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.04 : 5,216.79 = 1,286.31 : x
  2. Step 2: Convert to fraction form
    3,476.04/5,216.79 = 1,286.31/x
  3. Step 3: Cross multiply
    3,476.04x = 5,216.79 × 1,286.31
  4. Step 4: Simplify right side
    3,476.04x = 6,710,409.14
  5. Step 5: Solve for x
    x = 6,710,409.14/3,476.04
  6. Step 6: Final answer
    x = 1,930.48

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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.