Home / 3,065.50-4,231.14-1,739.98

Finding the Fourth Proportional to 3,065.50, 4,231.14 and 1,739.98

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Solution

The fourth proportional to 3,065.50, 4,231.14 and 1,739.98 is: 2,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.50 : 4,231.14 = 1,739.98 : x
  2. Step 2: Convert to fraction form
    3,065.50/4,231.14 = 1,739.98/x
  3. Step 3: Cross multiply
    3,065.50x = 4,231.14 × 1,739.98
  4. Step 4: Simplify right side
    3,065.50x = 7,362,098.98
  5. Step 5: Solve for x
    x = 7,362,098.98/3,065.50
  6. Step 6: Final answer
    x = 2,401.60

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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.