Home / 3,390.29-5,084.26-1,611.14

Finding the Fourth Proportional to 3,390.29, 5,084.26 and 1,611.14

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Solution

The fourth proportional to 3,390.29, 5,084.26 and 1,611.14 is: 2,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.29 : 5,084.26 = 1,611.14 : x
  2. Step 2: Convert to fraction form
    3,390.29/5,084.26 = 1,611.14/x
  3. Step 3: Cross multiply
    3,390.29x = 5,084.26 × 1,611.14
  4. Step 4: Simplify right side
    3,390.29x = 8,191,463.34
  5. Step 5: Solve for x
    x = 8,191,463.34/3,390.29
  6. Step 6: Final answer
    x = 2,416.15

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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.