Home / 2,321.36-3,479.52-1,164.32

Finding the Fourth Proportional to 2,321.36, 3,479.52 and 1,164.32

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Solution

The fourth proportional to 2,321.36, 3,479.52 and 1,164.32 is: 1,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.36 : 3,479.52 = 1,164.32 : x
  2. Step 2: Convert to fraction form
    2,321.36/3,479.52 = 1,164.32/x
  3. Step 3: Cross multiply
    2,321.36x = 3,479.52 × 1,164.32
  4. Step 4: Simplify right side
    2,321.36x = 4,051,274.73
  5. Step 5: Solve for x
    x = 4,051,274.73/2,321.36
  6. Step 6: Final answer
    x = 1,745.22

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1.5x scale

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.