Home / 3,977.12-5,954.58-2,586.98

Finding the Fourth Proportional to 3,977.12, 5,954.58 and 2,586.98

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Solution

The fourth proportional to 3,977.12, 5,954.58 and 2,586.98 is: 3,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977.12 : 5,954.58 = 2,586.98 : x
  2. Step 2: Convert to fraction form
    3,977.12/5,954.58 = 2,586.98/x
  3. Step 3: Cross multiply
    3,977.12x = 5,954.58 × 2,586.98
  4. Step 4: Simplify right side
    3,977.12x = 15,404,349.60
  5. Step 5: Solve for x
    x = 15,404,349.60/3,977.12
  6. Step 6: Final answer
    x = 3,873.25

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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.