Home / 3,636.16-5,016.40-2,219.36

Finding the Fourth Proportional to 3,636.16, 5,016.40 and 2,219.36

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Solution

The fourth proportional to 3,636.16, 5,016.40 and 2,219.36 is: 3,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.16 : 5,016.40 = 2,219.36 : x
  2. Step 2: Convert to fraction form
    3,636.16/5,016.40 = 2,219.36/x
  3. Step 3: Cross multiply
    3,636.16x = 5,016.40 × 2,219.36
  4. Step 4: Simplify right side
    3,636.16x = 11,133,197.50
  5. Step 5: Solve for x
    x = 11,133,197.50/3,636.16
  6. Step 6: Final answer
    x = 3,061.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.