Home / 1,056.06-1,583.48-325.44

Finding the Fourth Proportional to 1,056.06, 1,583.48 and 325.44

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Solution

The fourth proportional to 1,056.06, 1,583.48 and 325.44 is: 487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.06 : 1,583.48 = 325.44 : x
  2. Step 2: Convert to fraction form
    1,056.06/1,583.48 = 325.44/x
  3. Step 3: Cross multiply
    1,056.06x = 1,583.48 × 325.44
  4. Step 4: Simplify right side
    1,056.06x = 515,328.54
  5. Step 5: Solve for x
    x = 515,328.54/1,056.06
  6. Step 6: Final answer
    x = 487.97

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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.