Home / 3,104.89-4,655.01-1,872.01

Finding the Fourth Proportional to 3,104.89, 4,655.01 and 1,872.01

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Solution

The fourth proportional to 3,104.89, 4,655.01 and 1,872.01 is: 2,806.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.89 : 4,655.01 = 1,872.01 : x
  2. Step 2: Convert to fraction form
    3,104.89/4,655.01 = 1,872.01/x
  3. Step 3: Cross multiply
    3,104.89x = 4,655.01 × 1,872.01
  4. Step 4: Simplify right side
    3,104.89x = 8,714,225.27
  5. Step 5: Solve for x
    x = 8,714,225.27/3,104.89
  6. Step 6: Final answer
    x = 2,806.61

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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.