Home / 1,950.19-2,691.33-1,111.02

Finding the Fourth Proportional to 1,950.19, 2,691.33 and 1,111.02

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Solution

The fourth proportional to 1,950.19, 2,691.33 and 1,111.02 is: 1,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.19 : 2,691.33 = 1,111.02 : x
  2. Step 2: Convert to fraction form
    1,950.19/2,691.33 = 1,111.02/x
  3. Step 3: Cross multiply
    1,950.19x = 2,691.33 × 1,111.02
  4. Step 4: Simplify right side
    1,950.19x = 2,990,121.46
  5. Step 5: Solve for x
    x = 2,990,121.46/1,950.19
  6. Step 6: Final answer
    x = 1,533.25

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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.