Home / 1,367.34-2,036.44-1,318.90

Finding the Fourth Proportional to 1,367.34, 2,036.44 and 1,318.90

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Solution

The fourth proportional to 1,367.34, 2,036.44 and 1,318.90 is: 1,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.34 : 2,036.44 = 1,318.90 : x
  2. Step 2: Convert to fraction form
    1,367.34/2,036.44 = 1,318.90/x
  3. Step 3: Cross multiply
    1,367.34x = 2,036.44 × 1,318.90
  4. Step 4: Simplify right side
    1,367.34x = 2,685,860.72
  5. Step 5: Solve for x
    x = 2,685,860.72/1,367.34
  6. Step 6: Final answer
    x = 1,964.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.