Home / 1,820.33-2,511.46-1,111.92

Finding the Fourth Proportional to 1,820.33, 2,511.46 and 1,111.92

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Solution

The fourth proportional to 1,820.33, 2,511.46 and 1,111.92 is: 1,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.33 : 2,511.46 = 1,111.92 : x
  2. Step 2: Convert to fraction form
    1,820.33/2,511.46 = 1,111.92/x
  3. Step 3: Cross multiply
    1,820.33x = 2,511.46 × 1,111.92
  4. Step 4: Simplify right side
    1,820.33x = 2,792,543.99
  5. Step 5: Solve for x
    x = 2,792,543.99/1,820.33
  6. Step 6: Final answer
    x = 1,534.08

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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.