Home / 1,964.45-2,712.68-1,337.31

Finding the Fourth Proportional to 1,964.45, 2,712.68 and 1,337.31

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Solution

The fourth proportional to 1,964.45, 2,712.68 and 1,337.31 is: 1,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.45 : 2,712.68 = 1,337.31 : x
  2. Step 2: Convert to fraction form
    1,964.45/2,712.68 = 1,337.31/x
  3. Step 3: Cross multiply
    1,964.45x = 2,712.68 × 1,337.31
  4. Step 4: Simplify right side
    1,964.45x = 3,627,687.40
  5. Step 5: Solve for x
    x = 3,627,687.40/1,964.45
  6. Step 6: Final answer
    x = 1,846.67

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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.