Home / 2,203.58-3,040.87-1,318.93

Finding the Fourth Proportional to 2,203.58, 3,040.87 and 1,318.93

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Solution

The fourth proportional to 2,203.58, 3,040.87 and 1,318.93 is: 1,820.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.58 : 3,040.87 = 1,318.93 : x
  2. Step 2: Convert to fraction form
    2,203.58/3,040.87 = 1,318.93/x
  3. Step 3: Cross multiply
    2,203.58x = 3,040.87 × 1,318.93
  4. Step 4: Simplify right side
    2,203.58x = 4,010,694.67
  5. Step 5: Solve for x
    x = 4,010,694.67/2,203.58
  6. Step 6: Final answer
    x = 1,820.08

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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.