Home / 1,977.21-2,960.35-1,824.12

Finding the Fourth Proportional to 1,977.21, 2,960.35 and 1,824.12

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Solution

The fourth proportional to 1,977.21, 2,960.35 and 1,824.12 is: 2,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.21 : 2,960.35 = 1,824.12 : x
  2. Step 2: Convert to fraction form
    1,977.21/2,960.35 = 1,824.12/x
  3. Step 3: Cross multiply
    1,977.21x = 2,960.35 × 1,824.12
  4. Step 4: Simplify right side
    1,977.21x = 5,400,029.08
  5. Step 5: Solve for x
    x = 5,400,029.08/1,977.21
  6. Step 6: Final answer
    x = 2,731.14

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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.