Home / 1,360.93-2,039.12-1,309.69

Finding the Fourth Proportional to 1,360.93, 2,039.12 and 1,309.69

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Solution

The fourth proportional to 1,360.93, 2,039.12 and 1,309.69 is: 1,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.93 : 2,039.12 = 1,309.69 : x
  2. Step 2: Convert to fraction form
    1,360.93/2,039.12 = 1,309.69/x
  3. Step 3: Cross multiply
    1,360.93x = 2,039.12 × 1,309.69
  4. Step 4: Simplify right side
    1,360.93x = 2,670,629.09
  5. Step 5: Solve for x
    x = 2,670,629.09/1,360.93
  6. Step 6: Final answer
    x = 1,962.36

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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.