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Finding the Fourth Proportional to 3,065.72, 4,230.73 and 1,739.37

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Solution

The fourth proportional to 3,065.72, 4,230.73 and 1,739.37 is: 2,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.72 : 4,230.73 = 1,739.37 : x
  2. Step 2: Convert to fraction form
    3,065.72/4,230.73 = 1,739.37/x
  3. Step 3: Cross multiply
    3,065.72x = 4,230.73 × 1,739.37
  4. Step 4: Simplify right side
    3,065.72x = 7,358,822.88
  5. Step 5: Solve for x
    x = 7,358,822.88/3,065.72
  6. Step 6: Final answer
    x = 2,400.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.