Home / 1,397.73-2,097.41-1,322.67

Finding the Fourth Proportional to 1,397.73, 2,097.41 and 1,322.67

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Solution

The fourth proportional to 1,397.73, 2,097.41 and 1,322.67 is: 1,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397.73 : 2,097.41 = 1,322.67 : x
  2. Step 2: Convert to fraction form
    1,397.73/2,097.41 = 1,322.67/x
  3. Step 3: Cross multiply
    1,397.73x = 2,097.41 × 1,322.67
  4. Step 4: Simplify right side
    1,397.73x = 2,774,174.67
  5. Step 5: Solve for x
    x = 2,774,174.67/1,397.73
  6. Step 6: Final answer
    x = 1,984.77

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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.