Home / 3,823.61-5,730.79-1,973.71

Finding the Fourth Proportional to 3,823.61, 5,730.79 and 1,973.71

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Solution

The fourth proportional to 3,823.61, 5,730.79 and 1,973.71 is: 2,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.61 : 5,730.79 = 1,973.71 : x
  2. Step 2: Convert to fraction form
    3,823.61/5,730.79 = 1,973.71/x
  3. Step 3: Cross multiply
    3,823.61x = 5,730.79 × 1,973.71
  4. Step 4: Simplify right side
    3,823.61x = 11,310,929.15
  5. Step 5: Solve for x
    x = 11,310,929.15/3,823.61
  6. Step 6: Final answer
    x = 2,958.18

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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.