Home / 1,373.11-2,059.09-448.40

Finding the Fourth Proportional to 1,373.11, 2,059.09 and 448.40

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Solution

The fourth proportional to 1,373.11, 2,059.09 and 448.40 is: 672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.11 : 2,059.09 = 448.40 : x
  2. Step 2: Convert to fraction form
    1,373.11/2,059.09 = 448.40/x
  3. Step 3: Cross multiply
    1,373.11x = 2,059.09 × 448.40
  4. Step 4: Simplify right side
    1,373.11x = 923,295.96
  5. Step 5: Solve for x
    x = 923,295.96/1,373.11
  6. Step 6: Final answer
    x = 672.41

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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.