Home / 2,723.06-4,080.90-1,421.84

Finding the Fourth Proportional to 2,723.06, 4,080.90 and 1,421.84

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Solution

The fourth proportional to 2,723.06, 4,080.90 and 1,421.84 is: 2,130.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.06 : 4,080.90 = 1,421.84 : x
  2. Step 2: Convert to fraction form
    2,723.06/4,080.90 = 1,421.84/x
  3. Step 3: Cross multiply
    2,723.06x = 4,080.90 × 1,421.84
  4. Step 4: Simplify right side
    2,723.06x = 5,802,386.86
  5. Step 5: Solve for x
    x = 5,802,386.86/2,723.06
  6. Step 6: Final answer
    x = 2,130.83

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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.