Home / 2,383.46-3,289.08-1,321.27

Finding the Fourth Proportional to 2,383.46, 3,289.08 and 1,321.27

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Solution

The fourth proportional to 2,383.46, 3,289.08 and 1,321.27 is: 1,823.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.46 : 3,289.08 = 1,321.27 : x
  2. Step 2: Convert to fraction form
    2,383.46/3,289.08 = 1,321.27/x
  3. Step 3: Cross multiply
    2,383.46x = 3,289.08 × 1,321.27
  4. Step 4: Simplify right side
    2,383.46x = 4,345,746.29
  5. Step 5: Solve for x
    x = 4,345,746.29/2,383.46
  6. Step 6: Final answer
    x = 1,823.30

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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.