Home / 1,340.24-2,006.37-1,199.45

Finding the Fourth Proportional to 1,340.24, 2,006.37 and 1,199.45

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Solution

The fourth proportional to 1,340.24, 2,006.37 and 1,199.45 is: 1,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340.24 : 2,006.37 = 1,199.45 : x
  2. Step 2: Convert to fraction form
    1,340.24/2,006.37 = 1,199.45/x
  3. Step 3: Cross multiply
    1,340.24x = 2,006.37 × 1,199.45
  4. Step 4: Simplify right side
    1,340.24x = 2,406,550.01
  5. Step 5: Solve for x
    x = 2,406,550.01/1,340.24
  6. Step 6: Final answer
    x = 1,795.61

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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.