Home / 2,723.04-4,079.14-1,260.20

Finding the Fourth Proportional to 2,723.04, 4,079.14 and 1,260.20

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Solution

The fourth proportional to 2,723.04, 4,079.14 and 1,260.20 is: 1,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.04 : 4,079.14 = 1,260.20 : x
  2. Step 2: Convert to fraction form
    2,723.04/4,079.14 = 1,260.20/x
  3. Step 3: Cross multiply
    2,723.04x = 4,079.14 × 1,260.20
  4. Step 4: Simplify right side
    2,723.04x = 5,140,532.23
  5. Step 5: Solve for x
    x = 5,140,532.23/2,723.04
  6. Step 6: Final answer
    x = 1,887.79

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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.