Home / 1,399.02-2,087.94-1,366.26

Finding the Fourth Proportional to 1,399.02, 2,087.94 and 1,366.26

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Solution

The fourth proportional to 1,399.02, 2,087.94 and 1,366.26 is: 2,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399.02 : 2,087.94 = 1,366.26 : x
  2. Step 2: Convert to fraction form
    1,399.02/2,087.94 = 1,366.26/x
  3. Step 3: Cross multiply
    1,399.02x = 2,087.94 × 1,366.26
  4. Step 4: Simplify right side
    1,399.02x = 2,852,668.90
  5. Step 5: Solve for x
    x = 2,852,668.90/1,399.02
  6. Step 6: Final answer
    x = 2,039.05

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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.