Home / 3,153.34-4,351.61-1,827.81

Finding the Fourth Proportional to 3,153.34, 4,351.61 and 1,827.81

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Solution

The fourth proportional to 3,153.34, 4,351.61 and 1,827.81 is: 2,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.34 : 4,351.61 = 1,827.81 : x
  2. Step 2: Convert to fraction form
    3,153.34/4,351.61 = 1,827.81/x
  3. Step 3: Cross multiply
    3,153.34x = 4,351.61 × 1,827.81
  4. Step 4: Simplify right side
    3,153.34x = 7,953,928.58
  5. Step 5: Solve for x
    x = 7,953,928.58/3,153.34
  6. Step 6: Final answer
    x = 2,522.38

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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.