Home / 1,830.20-2,527.20-1,243.35

Finding the Fourth Proportional to 1,830.20, 2,527.20 and 1,243.35

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Solution

The fourth proportional to 1,830.20, 2,527.20 and 1,243.35 is: 1,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830.20 : 2,527.20 = 1,243.35 : x
  2. Step 2: Convert to fraction form
    1,830.20/2,527.20 = 1,243.35/x
  3. Step 3: Cross multiply
    1,830.20x = 2,527.20 × 1,243.35
  4. Step 4: Simplify right side
    1,830.20x = 3,142,194.12
  5. Step 5: Solve for x
    x = 3,142,194.12/1,830.20
  6. Step 6: Final answer
    x = 1,716.86

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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.