Home / 3,365.32-5,047.20-1,284.56

Finding the Fourth Proportional to 3,365.32, 5,047.20 and 1,284.56

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Solution

The fourth proportional to 3,365.32, 5,047.20 and 1,284.56 is: 1,926.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.32 : 5,047.20 = 1,284.56 : x
  2. Step 2: Convert to fraction form
    3,365.32/5,047.20 = 1,284.56/x
  3. Step 3: Cross multiply
    3,365.32x = 5,047.20 × 1,284.56
  4. Step 4: Simplify right side
    3,365.32x = 6,483,424.81
  5. Step 5: Solve for x
    x = 6,483,424.81/3,365.32
  6. Step 6: Final answer
    x = 1,926.54

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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.