Home / 3,611.28-5,416.94-1,146.10

Finding the Fourth Proportional to 3,611.28, 5,416.94 and 1,146.10

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Solution

The fourth proportional to 3,611.28, 5,416.94 and 1,146.10 is: 1,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.28 : 5,416.94 = 1,146.10 : x
  2. Step 2: Convert to fraction form
    3,611.28/5,416.94 = 1,146.10/x
  3. Step 3: Cross multiply
    3,611.28x = 5,416.94 × 1,146.10
  4. Step 4: Simplify right side
    3,611.28x = 6,208,354.93
  5. Step 5: Solve for x
    x = 6,208,354.93/3,611.28
  6. Step 6: Final answer
    x = 1,719.16

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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.