Home / 1,367.75-2,050.36-1,247.51

Finding the Fourth Proportional to 1,367.75, 2,050.36 and 1,247.51

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Solution

The fourth proportional to 1,367.75, 2,050.36 and 1,247.51 is: 1,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367.75 : 2,050.36 = 1,247.51 : x
  2. Step 2: Convert to fraction form
    1,367.75/2,050.36 = 1,247.51/x
  3. Step 3: Cross multiply
    1,367.75x = 2,050.36 × 1,247.51
  4. Step 4: Simplify right side
    1,367.75x = 2,557,844.60
  5. Step 5: Solve for x
    x = 2,557,844.60/1,367.75
  6. Step 6: Final answer
    x = 1,870.11

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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.