Home / 1,850.20-2,552.67-1,319.15

Finding the Fourth Proportional to 1,850.20, 2,552.67 and 1,319.15

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Solution

The fourth proportional to 1,850.20, 2,552.67 and 1,319.15 is: 1,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.20 : 2,552.67 = 1,319.15 : x
  2. Step 2: Convert to fraction form
    1,850.20/2,552.67 = 1,319.15/x
  3. Step 3: Cross multiply
    1,850.20x = 2,552.67 × 1,319.15
  4. Step 4: Simplify right side
    1,850.20x = 3,367,361.01
  5. Step 5: Solve for x
    x = 3,367,361.01/1,850.20
  6. Step 6: Final answer
    x = 1,820.00

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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.