Home / 2,538.43-3,501.97-1,977.93

Finding the Fourth Proportional to 2,538.43, 3,501.97 and 1,977.93

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Solution

The fourth proportional to 2,538.43, 3,501.97 and 1,977.93 is: 2,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.43 : 3,501.97 = 1,977.93 : x
  2. Step 2: Convert to fraction form
    2,538.43/3,501.97 = 1,977.93/x
  3. Step 3: Cross multiply
    2,538.43x = 3,501.97 × 1,977.93
  4. Step 4: Simplify right side
    2,538.43x = 6,926,647.71
  5. Step 5: Solve for x
    x = 6,926,647.71/2,538.43
  6. Step 6: Final answer
    x = 2,728.71

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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.