Home / 2,001.60-3,001.32-1,383.48

Finding the Fourth Proportional to 2,001.60, 3,001.32 and 1,383.48

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Solution

The fourth proportional to 2,001.60, 3,001.32 and 1,383.48 is: 2,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.60 : 3,001.32 = 1,383.48 : x
  2. Step 2: Convert to fraction form
    2,001.60/3,001.32 = 1,383.48/x
  3. Step 3: Cross multiply
    2,001.60x = 3,001.32 × 1,383.48
  4. Step 4: Simplify right side
    2,001.60x = 4,152,266.19
  5. Step 5: Solve for x
    x = 4,152,266.19/2,001.60
  6. Step 6: Final answer
    x = 2,074.47

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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.