Home / 1,950.26-2,691.36-1,111.00

Finding the Fourth Proportional to 1,950.26, 2,691.36 and 1,111.00

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Solution

The fourth proportional to 1,950.26, 2,691.36 and 1,111.00 is: 1,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.26 : 2,691.36 = 1,111.00 : x
  2. Step 2: Convert to fraction form
    1,950.26/2,691.36 = 1,111.00/x
  3. Step 3: Cross multiply
    1,950.26x = 2,691.36 × 1,111.00
  4. Step 4: Simplify right side
    1,950.26x = 2,990,091.71
  5. Step 5: Solve for x
    x = 2,990,091.71/1,950.26
  6. Step 6: Final answer
    x = 1,533.18

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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.