Home / 4,080.40-6,122.90-1,740.14

Finding the Fourth Proportional to 4,080.40, 6,122.90 and 1,740.14

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Solution

The fourth proportional to 4,080.40, 6,122.90 and 1,740.14 is: 2,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.40 : 6,122.90 = 1,740.14 : x
  2. Step 2: Convert to fraction form
    4,080.40/6,122.90 = 1,740.14/x
  3. Step 3: Cross multiply
    4,080.40x = 6,122.90 × 1,740.14
  4. Step 4: Simplify right side
    4,080.40x = 10,654,703.21
  5. Step 5: Solve for x
    x = 10,654,703.21/4,080.40
  6. Step 6: Final answer
    x = 2,611.19

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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.