Home / 3,632.36-5,455.80-3,116.60

Finding the Fourth Proportional to 3,632.36, 5,455.80 and 3,116.60

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Solution

The fourth proportional to 3,632.36, 5,455.80 and 3,116.60 is: 4,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,632.36 : 5,455.80 = 3,116.60 : x
  2. Step 2: Convert to fraction form
    3,632.36/5,455.80 = 3,116.60/x
  3. Step 3: Cross multiply
    3,632.36x = 5,455.80 × 3,116.60
  4. Step 4: Simplify right side
    3,632.36x = 17,003,546.28
  5. Step 5: Solve for x
    x = 17,003,546.28/3,632.36
  6. Step 6: Final answer
    x = 4,681.13

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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.