Home / 1,813.21-2,503.46-1,373.51

Finding the Fourth Proportional to 1,813.21, 2,503.46 and 1,373.51

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Solution

The fourth proportional to 1,813.21, 2,503.46 and 1,373.51 is: 1,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.21 : 2,503.46 = 1,373.51 : x
  2. Step 2: Convert to fraction form
    1,813.21/2,503.46 = 1,373.51/x
  3. Step 3: Cross multiply
    1,813.21x = 2,503.46 × 1,373.51
  4. Step 4: Simplify right side
    1,813.21x = 3,438,527.34
  5. Step 5: Solve for x
    x = 3,438,527.34/1,813.21
  6. Step 6: Final answer
    x = 1,896.38

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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.