Home / 3,240.38-4,829.80-3,055.88

Finding the Fourth Proportional to 3,240.38, 4,829.80 and 3,055.88

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Solution

The fourth proportional to 3,240.38, 4,829.80 and 3,055.88 is: 4,554.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.38 : 4,829.80 = 3,055.88 : x
  2. Step 2: Convert to fraction form
    3,240.38/4,829.80 = 3,055.88/x
  3. Step 3: Cross multiply
    3,240.38x = 4,829.80 × 3,055.88
  4. Step 4: Simplify right side
    3,240.38x = 14,759,289.22
  5. Step 5: Solve for x
    x = 14,759,289.22/3,240.38
  6. Step 6: Final answer
    x = 4,554.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.