Home / 3,828.93-5,284.18-2,150.46

Finding the Fourth Proportional to 3,828.93, 5,284.18 and 2,150.46

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Solution

The fourth proportional to 3,828.93, 5,284.18 and 2,150.46 is: 2,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.93 : 5,284.18 = 2,150.46 : x
  2. Step 2: Convert to fraction form
    3,828.93/5,284.18 = 2,150.46/x
  3. Step 3: Cross multiply
    3,828.93x = 5,284.18 × 2,150.46
  4. Step 4: Simplify right side
    3,828.93x = 11,363,417.72
  5. Step 5: Solve for x
    x = 11,363,417.72/3,828.93
  6. Step 6: Final answer
    x = 2,967.78

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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.