Home / 2,810.04-4,215.75-1,330.27

Finding the Fourth Proportional to 2,810.04, 4,215.75 and 1,330.27

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Solution

The fourth proportional to 2,810.04, 4,215.75 and 1,330.27 is: 1,995.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.04 : 4,215.75 = 1,330.27 : x
  2. Step 2: Convert to fraction form
    2,810.04/4,215.75 = 1,330.27/x
  3. Step 3: Cross multiply
    2,810.04x = 4,215.75 × 1,330.27
  4. Step 4: Simplify right side
    2,810.04x = 5,608,093.94
  5. Step 5: Solve for x
    x = 5,608,093.94/2,810.04
  6. Step 6: Final answer
    x = 1,995.73

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1.5x scale

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.