Home / 3,977.60-5,966.33-1,204.33

Finding the Fourth Proportional to 3,977.60, 5,966.33 and 1,204.33

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Solution

The fourth proportional to 3,977.60, 5,966.33 and 1,204.33 is: 1,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.60 : 5,966.33 = 1,204.33 : x
  2. Step 2: Convert to fraction form
    3,977.60/5,966.33 = 1,204.33/x
  3. Step 3: Cross multiply
    3,977.60x = 5,966.33 × 1,204.33
  4. Step 4: Simplify right side
    3,977.60x = 7,185,430.21
  5. Step 5: Solve for x
    x = 7,185,430.21/3,977.60
  6. Step 6: Final answer
    x = 1,806.47

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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.