Home / 3,153.47-4,730.49-1,205.69

Finding the Fourth Proportional to 3,153.47, 4,730.49 and 1,205.69

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Solution

The fourth proportional to 3,153.47, 4,730.49 and 1,205.69 is: 1,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.47 : 4,730.49 = 1,205.69 : x
  2. Step 2: Convert to fraction form
    3,153.47/4,730.49 = 1,205.69/x
  3. Step 3: Cross multiply
    3,153.47x = 4,730.49 × 1,205.69
  4. Step 4: Simplify right side
    3,153.47x = 5,703,504.49
  5. Step 5: Solve for x
    x = 5,703,504.49/3,153.47
  6. Step 6: Final answer
    x = 1,808.64

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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.