Home / 1,820.07-2,511.79-1,074.46

Finding the Fourth Proportional to 1,820.07, 2,511.79 and 1,074.46

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Solution

The fourth proportional to 1,820.07, 2,511.79 and 1,074.46 is: 1,482.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.07 : 2,511.79 = 1,074.46 : x
  2. Step 2: Convert to fraction form
    1,820.07/2,511.79 = 1,074.46/x
  3. Step 3: Cross multiply
    1,820.07x = 2,511.79 × 1,074.46
  4. Step 4: Simplify right side
    1,820.07x = 2,698,817.88
  5. Step 5: Solve for x
    x = 2,698,817.88/1,820.07
  6. Step 6: Final answer
    x = 1,482.81

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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.