Home / 3,433-4,739.16-3,309.88

Finding the Fourth Proportional to 3,433, 4,739.16 and 3,309.88

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Solution

The fourth proportional to 3,433, 4,739.16 and 3,309.88 is: 4,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433 : 4,739.16 = 3,309.88 : x
  2. Step 2: Convert to fraction form
    3,433/4,739.16 = 3,309.88/x
  3. Step 3: Cross multiply
    3,433x = 4,739.16 × 3,309.88
  4. Step 4: Simplify right side
    3,433x = 15,686,050.90
  5. Step 5: Solve for x
    x = 15,686,050.90/3,433
  6. Step 6: Final answer
    x = 4,569.20

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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.