Home / 2,321.07-3,203.39-1,425.34

Finding the Fourth Proportional to 2,321.07, 3,203.39 and 1,425.34

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Solution

The fourth proportional to 2,321.07, 3,203.39 and 1,425.34 is: 1,967.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.07 : 3,203.39 = 1,425.34 : x
  2. Step 2: Convert to fraction form
    2,321.07/3,203.39 = 1,425.34/x
  3. Step 3: Cross multiply
    2,321.07x = 3,203.39 × 1,425.34
  4. Step 4: Simplify right side
    2,321.07x = 4,565,919.90
  5. Step 5: Solve for x
    x = 4,565,919.90/2,321.07
  6. Step 6: Final answer
    x = 1,967.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.