Home / 2,760.81-3,810.15-1,582.26

Finding the Fourth Proportional to 2,760.81, 3,810.15 and 1,582.26

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Solution

The fourth proportional to 2,760.81, 3,810.15 and 1,582.26 is: 2,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.81 : 3,810.15 = 1,582.26 : x
  2. Step 2: Convert to fraction form
    2,760.81/3,810.15 = 1,582.26/x
  3. Step 3: Cross multiply
    2,760.81x = 3,810.15 × 1,582.26
  4. Step 4: Simplify right side
    2,760.81x = 6,028,647.94
  5. Step 5: Solve for x
    x = 6,028,647.94/2,760.81
  6. Step 6: Final answer
    x = 2,183.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.