Home / 3,321.41-4,584.20-1,977.35

Finding the Fourth Proportional to 3,321.41, 4,584.20 and 1,977.35

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Solution

The fourth proportional to 3,321.41, 4,584.20 and 1,977.35 is: 2,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.41 : 4,584.20 = 1,977.35 : x
  2. Step 2: Convert to fraction form
    3,321.41/4,584.20 = 1,977.35/x
  3. Step 3: Cross multiply
    3,321.41x = 4,584.20 × 1,977.35
  4. Step 4: Simplify right side
    3,321.41x = 9,064,535.06
  5. Step 5: Solve for x
    x = 9,064,535.06/3,321.41
  6. Step 6: Final answer
    x = 2,729.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.