Home / 3,610.20-5,416.10-1,145.18

Finding the Fourth Proportional to 3,610.20, 5,416.10 and 1,145.18

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Solution

The fourth proportional to 3,610.20, 5,416.10 and 1,145.18 is: 1,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.20 : 5,416.10 = 1,145.18 : x
  2. Step 2: Convert to fraction form
    3,610.20/5,416.10 = 1,145.18/x
  3. Step 3: Cross multiply
    3,610.20x = 5,416.10 × 1,145.18
  4. Step 4: Simplify right side
    3,610.20x = 6,202,409.40
  5. Step 5: Solve for x
    x = 6,202,409.40/3,610.20
  6. Step 6: Final answer
    x = 1,718.02

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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.