Home / 2,538.56-3,798.61-2,095.70

Finding the Fourth Proportional to 2,538.56, 3,798.61 and 2,095.70

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Solution

The fourth proportional to 2,538.56, 3,798.61 and 2,095.70 is: 3,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.56 : 3,798.61 = 2,095.70 : x
  2. Step 2: Convert to fraction form
    2,538.56/3,798.61 = 2,095.70/x
  3. Step 3: Cross multiply
    2,538.56x = 3,798.61 × 2,095.70
  4. Step 4: Simplify right side
    2,538.56x = 7,960,733.22
  5. Step 5: Solve for x
    x = 7,960,733.22/2,538.56
  6. Step 6: Final answer
    x = 3,135.92

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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.