Home / 1,775.39-2,661.46-1,383.21

Finding the Fourth Proportional to 1,775.39, 2,661.46 and 1,383.21

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Solution

The fourth proportional to 1,775.39, 2,661.46 and 1,383.21 is: 2,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.39 : 2,661.46 = 1,383.21 : x
  2. Step 2: Convert to fraction form
    1,775.39/2,661.46 = 1,383.21/x
  3. Step 3: Cross multiply
    1,775.39x = 2,661.46 × 1,383.21
  4. Step 4: Simplify right side
    1,775.39x = 3,681,354.63
  5. Step 5: Solve for x
    x = 3,681,354.63/1,775.39
  6. Step 6: Final answer
    x = 2,073.55

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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.