Home / 3,579.03-4,938.66-1,985.58

Finding the Fourth Proportional to 3,579.03, 4,938.66 and 1,985.58

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Solution

The fourth proportional to 3,579.03, 4,938.66 and 1,985.58 is: 2,739.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.03 : 4,938.66 = 1,985.58 : x
  2. Step 2: Convert to fraction form
    3,579.03/4,938.66 = 1,985.58/x
  3. Step 3: Cross multiply
    3,579.03x = 4,938.66 × 1,985.58
  4. Step 4: Simplify right side
    3,579.03x = 9,806,104.52
  5. Step 5: Solve for x
    x = 9,806,104.52/3,579.03
  6. Step 6: Final answer
    x = 2,739.88

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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.