Home / 2,704.24-4,056.96-1,405.40

Finding the Fourth Proportional to 2,704.24, 4,056.96 and 1,405.40

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Solution

The fourth proportional to 2,704.24, 4,056.96 and 1,405.40 is: 2,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.24 : 4,056.96 = 1,405.40 : x
  2. Step 2: Convert to fraction form
    2,704.24/4,056.96 = 1,405.40/x
  3. Step 3: Cross multiply
    2,704.24x = 4,056.96 × 1,405.40
  4. Step 4: Simplify right side
    2,704.24x = 5,701,651.58
  5. Step 5: Solve for x
    x = 5,701,651.58/2,704.24
  6. Step 6: Final answer
    x = 2,108.41

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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.