Home / 3,025.89-4,537.89-1,985.85

Finding the Fourth Proportional to 3,025.89, 4,537.89 and 1,985.85

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Solution

The fourth proportional to 3,025.89, 4,537.89 and 1,985.85 is: 2,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.89 : 4,537.89 = 1,985.85 : x
  2. Step 2: Convert to fraction form
    3,025.89/4,537.89 = 1,985.85/x
  3. Step 3: Cross multiply
    3,025.89x = 4,537.89 × 1,985.85
  4. Step 4: Simplify right side
    3,025.89x = 9,011,568.86
  5. Step 5: Solve for x
    x = 9,011,568.86/3,025.89
  6. Step 6: Final answer
    x = 2,978.15

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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.