Home / 2,760.28-3,810.01-1,582.13

Finding the Fourth Proportional to 2,760.28, 3,810.01 and 1,582.13

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Solution

The fourth proportional to 2,760.28, 3,810.01 and 1,582.13 is: 2,183.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.28 : 3,810.01 = 1,582.13 : x
  2. Step 2: Convert to fraction form
    2,760.28/3,810.01 = 1,582.13/x
  3. Step 3: Cross multiply
    2,760.28x = 3,810.01 × 1,582.13
  4. Step 4: Simplify right side
    2,760.28x = 6,027,936.69
  5. Step 5: Solve for x
    x = 6,027,936.69/2,760.28
  6. Step 6: Final answer
    x = 2,183.82

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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.