Home / 2,723.06-4,080.81-1,421.93

Finding the Fourth Proportional to 2,723.06, 4,080.81 and 1,421.93

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Solution

The fourth proportional to 2,723.06, 4,080.81 and 1,421.93 is: 2,130.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.06 : 4,080.81 = 1,421.93 : x
  2. Step 2: Convert to fraction form
    2,723.06/4,080.81 = 1,421.93/x
  3. Step 3: Cross multiply
    2,723.06x = 4,080.81 × 1,421.93
  4. Step 4: Simplify right side
    2,723.06x = 5,802,626.16
  5. Step 5: Solve for x
    x = 5,802,626.16/2,723.06
  6. Step 6: Final answer
    x = 2,130.92

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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.