Home / 2,383.63-3,289.40-1,335.69

Finding the Fourth Proportional to 2,383.63, 3,289.40 and 1,335.69

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Solution

The fourth proportional to 2,383.63, 3,289.40 and 1,335.69 is: 1,843.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.63 : 3,289.40 = 1,335.69 : x
  2. Step 2: Convert to fraction form
    2,383.63/3,289.40 = 1,335.69/x
  3. Step 3: Cross multiply
    2,383.63x = 3,289.40 × 1,335.69
  4. Step 4: Simplify right side
    2,383.63x = 4,393,618.69
  5. Step 5: Solve for x
    x = 4,393,618.69/2,383.63
  6. Step 6: Final answer
    x = 1,843.25

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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.