Home / 1,820.77-2,512.36-1,074.62

Finding the Fourth Proportional to 1,820.77, 2,512.36 and 1,074.62

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Solution

The fourth proportional to 1,820.77, 2,512.36 and 1,074.62 is: 1,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.77 : 2,512.36 = 1,074.62 : x
  2. Step 2: Convert to fraction form
    1,820.77/2,512.36 = 1,074.62/x
  3. Step 3: Cross multiply
    1,820.77x = 2,512.36 × 1,074.62
  4. Step 4: Simplify right side
    1,820.77x = 2,699,832.30
  5. Step 5: Solve for x
    x = 2,699,832.30/1,820.77
  6. Step 6: Final answer
    x = 1,482.80

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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.