Home / 1,629.24-2,442.66-1,264.74

Finding the Fourth Proportional to 1,629.24, 2,442.66 and 1,264.74

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Solution

The fourth proportional to 1,629.24, 2,442.66 and 1,264.74 is: 1,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.24 : 2,442.66 = 1,264.74 : x
  2. Step 2: Convert to fraction form
    1,629.24/2,442.66 = 1,264.74/x
  3. Step 3: Cross multiply
    1,629.24x = 2,442.66 × 1,264.74
  4. Step 4: Simplify right side
    1,629.24x = 3,089,329.81
  5. Step 5: Solve for x
    x = 3,089,329.81/1,629.24
  6. Step 6: Final answer
    x = 1,896.18

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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.