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Finding the Fourth Proportional to 2,383.39, 3,289.74 and 1,675.39

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Solution

The fourth proportional to 2,383.39, 3,289.74 and 1,675.39 is: 2,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.39 : 3,289.74 = 1,675.39 : x
  2. Step 2: Convert to fraction form
    2,383.39/3,289.74 = 1,675.39/x
  3. Step 3: Cross multiply
    2,383.39x = 3,289.74 × 1,675.39
  4. Step 4: Simplify right side
    2,383.39x = 5,511,597.50
  5. Step 5: Solve for x
    x = 5,511,597.50/2,383.39
  6. Step 6: Final answer
    x = 2,312.50

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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.