Home / 3,153.71-4,730.07-1,205.48

Finding the Fourth Proportional to 3,153.71, 4,730.07 and 1,205.48

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Solution

The fourth proportional to 3,153.71, 4,730.07 and 1,205.48 is: 1,808.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.71 : 4,730.07 = 1,205.48 : x
  2. Step 2: Convert to fraction form
    3,153.71/4,730.07 = 1,205.48/x
  3. Step 3: Cross multiply
    3,153.71x = 4,730.07 × 1,205.48
  4. Step 4: Simplify right side
    3,153.71x = 5,702,004.78
  5. Step 5: Solve for x
    x = 5,702,004.78/3,153.71
  6. Step 6: Final answer
    x = 1,808.03

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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.