Home / 3,584.63-5,378.99-1,393.07

Finding the Fourth Proportional to 3,584.63, 5,378.99 and 1,393.07

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Solution

The fourth proportional to 3,584.63, 5,378.99 and 1,393.07 is: 2,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.63 : 5,378.99 = 1,393.07 : x
  2. Step 2: Convert to fraction form
    3,584.63/5,378.99 = 1,393.07/x
  3. Step 3: Cross multiply
    3,584.63x = 5,378.99 × 1,393.07
  4. Step 4: Simplify right side
    3,584.63x = 7,493,275.74
  5. Step 5: Solve for x
    x = 7,493,275.74/3,584.63
  6. Step 6: Final answer
    x = 2,090.39

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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.