Home / 2,823.27-3,898.06-2,158.97

Finding the Fourth Proportional to 2,823.27, 3,898.06 and 2,158.97

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Solution

The fourth proportional to 2,823.27, 3,898.06 and 2,158.97 is: 2,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.27 : 3,898.06 = 2,158.97 : x
  2. Step 2: Convert to fraction form
    2,823.27/3,898.06 = 2,158.97/x
  3. Step 3: Cross multiply
    2,823.27x = 3,898.06 × 2,158.97
  4. Step 4: Simplify right side
    2,823.27x = 8,415,769.71
  5. Step 5: Solve for x
    x = 8,415,769.71/2,823.27
  6. Step 6: Final answer
    x = 2,980.86

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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.