Home / 3,605.23-5,407.72-1,008.16

Finding the Fourth Proportional to 3,605.23, 5,407.72 and 1,008.16

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Solution

The fourth proportional to 3,605.23, 5,407.72 and 1,008.16 is: 1,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.23 : 5,407.72 = 1,008.16 : x
  2. Step 2: Convert to fraction form
    3,605.23/5,407.72 = 1,008.16/x
  3. Step 3: Cross multiply
    3,605.23x = 5,407.72 × 1,008.16
  4. Step 4: Simplify right side
    3,605.23x = 5,451,847.00
  5. Step 5: Solve for x
    x = 5,451,847.00/3,605.23
  6. Step 6: Final answer
    x = 1,512.21

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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.