Home / 3,247-4,868.07-1,054.42

Finding the Fourth Proportional to 3,247, 4,868.07 and 1,054.42

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Solution

The fourth proportional to 3,247, 4,868.07 and 1,054.42 is: 1,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247 : 4,868.07 = 1,054.42 : x
  2. Step 2: Convert to fraction form
    3,247/4,868.07 = 1,054.42/x
  3. Step 3: Cross multiply
    3,247x = 4,868.07 × 1,054.42
  4. Step 4: Simplify right side
    3,247x = 5,132,990.37
  5. Step 5: Solve for x
    x = 5,132,990.37/3,247
  6. Step 6: Final answer
    x = 1,580.84

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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.