Home / 2,019.04-3,027.84-720.16

Finding the Fourth Proportional to 2,019.04, 3,027.84 and 720.16

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Solution

The fourth proportional to 2,019.04, 3,027.84 and 720.16 is: 1,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019.04 : 3,027.84 = 720.16 : x
  2. Step 2: Convert to fraction form
    2,019.04/3,027.84 = 720.16/x
  3. Step 3: Cross multiply
    2,019.04x = 3,027.84 × 720.16
  4. Step 4: Simplify right side
    2,019.04x = 2,180,529.25
  5. Step 5: Solve for x
    x = 2,180,529.25/2,019.04
  6. Step 6: Final answer
    x = 1,079.98

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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.