Home / 3,518.37-5,277.05-1,326.81

Finding the Fourth Proportional to 3,518.37, 5,277.05 and 1,326.81

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Solution

The fourth proportional to 3,518.37, 5,277.05 and 1,326.81 is: 1,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.37 : 5,277.05 = 1,326.81 : x
  2. Step 2: Convert to fraction form
    3,518.37/5,277.05 = 1,326.81/x
  3. Step 3: Cross multiply
    3,518.37x = 5,277.05 × 1,326.81
  4. Step 4: Simplify right side
    3,518.37x = 7,001,660.84
  5. Step 5: Solve for x
    x = 7,001,660.84/3,518.37
  6. Step 6: Final answer
    x = 1,990.03

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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.