Home / 1,827.21-2,737.58-1,247.25

Finding the Fourth Proportional to 1,827.21, 2,737.58 and 1,247.25

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Solution

The fourth proportional to 1,827.21, 2,737.58 and 1,247.25 is: 1,868.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.21 : 2,737.58 = 1,247.25 : x
  2. Step 2: Convert to fraction form
    1,827.21/2,737.58 = 1,247.25/x
  3. Step 3: Cross multiply
    1,827.21x = 2,737.58 × 1,247.25
  4. Step 4: Simplify right side
    1,827.21x = 3,414,446.66
  5. Step 5: Solve for x
    x = 3,414,446.66/1,827.21
  6. Step 6: Final answer
    x = 1,868.67

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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.