Home / 3,588.75-5,383.12-1,278.63

Finding the Fourth Proportional to 3,588.75, 5,383.12 and 1,278.63

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Solution

The fourth proportional to 3,588.75, 5,383.12 and 1,278.63 is: 1,917.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.75 : 5,383.12 = 1,278.63 : x
  2. Step 2: Convert to fraction form
    3,588.75/5,383.12 = 1,278.63/x
  3. Step 3: Cross multiply
    3,588.75x = 5,383.12 × 1,278.63
  4. Step 4: Simplify right side
    3,588.75x = 6,883,018.73
  5. Step 5: Solve for x
    x = 6,883,018.73/3,588.75
  6. Step 6: Final answer
    x = 1,917.94

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1.5x scale

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.