Home / 1,820.07-2,511.45-1,073.85

Finding the Fourth Proportional to 1,820.07, 2,511.45 and 1,073.85

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Solution

The fourth proportional to 1,820.07, 2,511.45 and 1,073.85 is: 1,481.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.07 : 2,511.45 = 1,073.85 : x
  2. Step 2: Convert to fraction form
    1,820.07/2,511.45 = 1,073.85/x
  3. Step 3: Cross multiply
    1,820.07x = 2,511.45 × 1,073.85
  4. Step 4: Simplify right side
    1,820.07x = 2,696,920.58
  5. Step 5: Solve for x
    x = 2,696,920.58/1,820.07
  6. Step 6: Final answer
    x = 1,481.77

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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.