Home / 1,495.90-2,067.19-1,122.23

Finding the Fourth Proportional to 1,495.90, 2,067.19 and 1,122.23

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Solution

The fourth proportional to 1,495.90, 2,067.19 and 1,122.23 is: 1,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495.90 : 2,067.19 = 1,122.23 : x
  2. Step 2: Convert to fraction form
    1,495.90/2,067.19 = 1,122.23/x
  3. Step 3: Cross multiply
    1,495.90x = 2,067.19 × 1,122.23
  4. Step 4: Simplify right side
    1,495.90x = 2,319,862.63
  5. Step 5: Solve for x
    x = 2,319,862.63/1,495.90
  6. Step 6: Final answer
    x = 1,550.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.