Home / 3,842.83-5,280.11-3,055.51

Finding the Fourth Proportional to 3,842.83, 5,280.11 and 3,055.51

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Solution

The fourth proportional to 3,842.83, 5,280.11 and 3,055.51 is: 4,198.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.83 : 5,280.11 = 3,055.51 : x
  2. Step 2: Convert to fraction form
    3,842.83/5,280.11 = 3,055.51/x
  3. Step 3: Cross multiply
    3,842.83x = 5,280.11 × 3,055.51
  4. Step 4: Simplify right side
    3,842.83x = 16,133,428.91
  5. Step 5: Solve for x
    x = 16,133,428.91/3,842.83
  6. Step 6: Final answer
    x = 4,198.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.