Home / 3,538.41-4,881.90-2,045.79

Finding the Fourth Proportional to 3,538.41, 4,881.90 and 2,045.79

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Solution

The fourth proportional to 3,538.41, 4,881.90 and 2,045.79 is: 2,822.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.41 : 4,881.90 = 2,045.79 : x
  2. Step 2: Convert to fraction form
    3,538.41/4,881.90 = 2,045.79/x
  3. Step 3: Cross multiply
    3,538.41x = 4,881.90 × 2,045.79
  4. Step 4: Simplify right side
    3,538.41x = 9,987,342.20
  5. Step 5: Solve for x
    x = 9,987,342.20/3,538.41
  6. Step 6: Final answer
    x = 2,822.55

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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.