Home / 3,826.37-5,280.39-2,147.93

Finding the Fourth Proportional to 3,826.37, 5,280.39 and 2,147.93

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Solution

The fourth proportional to 3,826.37, 5,280.39 and 2,147.93 is: 2,964.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826.37 : 5,280.39 = 2,147.93 : x
  2. Step 2: Convert to fraction form
    3,826.37/5,280.39 = 2,147.93/x
  3. Step 3: Cross multiply
    3,826.37x = 5,280.39 × 2,147.93
  4. Step 4: Simplify right side
    3,826.37x = 11,341,897.35
  5. Step 5: Solve for x
    x = 11,341,897.35/3,826.37
  6. Step 6: Final answer
    x = 2,964.14

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1.5x scale

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.