Home / 2,825.83-4,238.47-1,729.63

Finding the Fourth Proportional to 2,825.83, 4,238.47 and 1,729.63

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Solution

The fourth proportional to 2,825.83, 4,238.47 and 1,729.63 is: 2,594.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.83 : 4,238.47 = 1,729.63 : x
  2. Step 2: Convert to fraction form
    2,825.83/4,238.47 = 1,729.63/x
  3. Step 3: Cross multiply
    2,825.83x = 4,238.47 × 1,729.63
  4. Step 4: Simplify right side
    2,825.83x = 7,330,984.87
  5. Step 5: Solve for x
    x = 7,330,984.87/2,825.83
  6. Step 6: Final answer
    x = 2,594.28

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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.