Home / 3,019.27-4,535.81-2,143.93

Finding the Fourth Proportional to 3,019.27, 4,535.81 and 2,143.93

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Solution

The fourth proportional to 3,019.27, 4,535.81 and 2,143.93 is: 3,220.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.27 : 4,535.81 = 2,143.93 : x
  2. Step 2: Convert to fraction form
    3,019.27/4,535.81 = 2,143.93/x
  3. Step 3: Cross multiply
    3,019.27x = 4,535.81 × 2,143.93
  4. Step 4: Simplify right side
    3,019.27x = 9,724,462.12
  5. Step 5: Solve for x
    x = 9,724,462.12/3,019.27
  6. Step 6: Final answer
    x = 3,220.80

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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.