Home / 3,881.08-5,822.58-1,284.28

Finding the Fourth Proportional to 3,881.08, 5,822.58 and 1,284.28

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Solution

The fourth proportional to 3,881.08, 5,822.58 and 1,284.28 is: 1,926.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.08 : 5,822.58 = 1,284.28 : x
  2. Step 2: Convert to fraction form
    3,881.08/5,822.58 = 1,284.28/x
  3. Step 3: Cross multiply
    3,881.08x = 5,822.58 × 1,284.28
  4. Step 4: Simplify right side
    3,881.08x = 7,477,823.04
  5. Step 5: Solve for x
    x = 7,477,823.04/3,881.08
  6. Step 6: Final answer
    x = 1,926.74

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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.