Home / 2,859.07-4,289.38-1,192.64

Finding the Fourth Proportional to 2,859.07, 4,289.38 and 1,192.64

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Solution

The fourth proportional to 2,859.07, 4,289.38 and 1,192.64 is: 1,789.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.07 : 4,289.38 = 1,192.64 : x
  2. Step 2: Convert to fraction form
    2,859.07/4,289.38 = 1,192.64/x
  3. Step 3: Cross multiply
    2,859.07x = 4,289.38 × 1,192.64
  4. Step 4: Simplify right side
    2,859.07x = 5,115,707.31
  5. Step 5: Solve for x
    x = 5,115,707.31/2,859.07
  6. Step 6: Final answer
    x = 1,789.29

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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.