Home / 3,668.30-5,501.10-1,203.20

Finding the Fourth Proportional to 3,668.30, 5,501.10 and 1,203.20

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Solution

The fourth proportional to 3,668.30, 5,501.10 and 1,203.20 is: 1,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.30 : 5,501.10 = 1,203.20 : x
  2. Step 2: Convert to fraction form
    3,668.30/5,501.10 = 1,203.20/x
  3. Step 3: Cross multiply
    3,668.30x = 5,501.10 × 1,203.20
  4. Step 4: Simplify right side
    3,668.30x = 6,618,923.52
  5. Step 5: Solve for x
    x = 6,618,923.52/3,668.30
  6. Step 6: Final answer
    x = 1,804.36

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1.5x scale

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.