Home / 2,157.21-3,237.26-1,184.00

Finding the Fourth Proportional to 2,157.21, 3,237.26 and 1,184.00

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Solution

The fourth proportional to 2,157.21, 3,237.26 and 1,184.00 is: 1,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157.21 : 3,237.26 = 1,184.00 : x
  2. Step 2: Convert to fraction form
    2,157.21/3,237.26 = 1,184.00/x
  3. Step 3: Cross multiply
    2,157.21x = 3,237.26 × 1,184.00
  4. Step 4: Simplify right side
    2,157.21x = 3,832,893.73
  5. Step 5: Solve for x
    x = 3,832,893.73/2,157.21
  6. Step 6: Final answer
    x = 1,776.78

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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.