Home / 3,827.47-5,740.67-1,230.07

Finding the Fourth Proportional to 3,827.47, 5,740.67 and 1,230.07

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Solution

The fourth proportional to 3,827.47, 5,740.67 and 1,230.07 is: 1,844.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.47 : 5,740.67 = 1,230.07 : x
  2. Step 2: Convert to fraction form
    3,827.47/5,740.67 = 1,230.07/x
  3. Step 3: Cross multiply
    3,827.47x = 5,740.67 × 1,230.07
  4. Step 4: Simplify right side
    3,827.47x = 7,061,425.95
  5. Step 5: Solve for x
    x = 7,061,425.95/3,827.47
  6. Step 6: Final answer
    x = 1,844.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.