Home / 3,102.99-4,280.62-2,055.93

Finding the Fourth Proportional to 3,102.99, 4,280.62 and 2,055.93

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Solution

The fourth proportional to 3,102.99, 4,280.62 and 2,055.93 is: 2,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.99 : 4,280.62 = 2,055.93 : x
  2. Step 2: Convert to fraction form
    3,102.99/4,280.62 = 2,055.93/x
  3. Step 3: Cross multiply
    3,102.99x = 4,280.62 × 2,055.93
  4. Step 4: Simplify right side
    3,102.99x = 8,800,655.08
  5. Step 5: Solve for x
    x = 8,800,655.08/3,102.99
  6. Step 6: Final answer
    x = 2,836.19

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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.