Home / 3,929.21-5,895.74-1,849.13

Finding the Fourth Proportional to 3,929.21, 5,895.74 and 1,849.13

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Solution

The fourth proportional to 3,929.21, 5,895.74 and 1,849.13 is: 2,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.21 : 5,895.74 = 1,849.13 : x
  2. Step 2: Convert to fraction form
    3,929.21/5,895.74 = 1,849.13/x
  3. Step 3: Cross multiply
    3,929.21x = 5,895.74 × 1,849.13
  4. Step 4: Simplify right side
    3,929.21x = 10,901,989.71
  5. Step 5: Solve for x
    x = 10,901,989.71/3,929.21
  6. Step 6: Final answer
    x = 2,774.60

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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.