Home / 3,789.07-5,682.37-1,384.45

Finding the Fourth Proportional to 3,789.07, 5,682.37 and 1,384.45

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Solution

The fourth proportional to 3,789.07, 5,682.37 and 1,384.45 is: 2,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.07 : 5,682.37 = 1,384.45 : x
  2. Step 2: Convert to fraction form
    3,789.07/5,682.37 = 1,384.45/x
  3. Step 3: Cross multiply
    3,789.07x = 5,682.37 × 1,384.45
  4. Step 4: Simplify right side
    3,789.07x = 7,866,957.15
  5. Step 5: Solve for x
    x = 7,866,957.15/3,789.07
  6. Step 6: Final answer
    x = 2,076.22

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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.