Home / 1,950.26-2,691.36-1,111.13

Finding the Fourth Proportional to 1,950.26, 2,691.36 and 1,111.13

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Solution

The fourth proportional to 1,950.26, 2,691.36 and 1,111.13 is: 1,533.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.26 : 2,691.36 = 1,111.13 : x
  2. Step 2: Convert to fraction form
    1,950.26/2,691.36 = 1,111.13/x
  3. Step 3: Cross multiply
    1,950.26x = 2,691.36 × 1,111.13
  4. Step 4: Simplify right side
    1,950.26x = 2,990,450.84
  5. Step 5: Solve for x
    x = 2,990,450.84/1,950.26
  6. Step 6: Final answer
    x = 1,533.36

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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.