Home / 3,185.52-4,776.42-1,887.90

Finding the Fourth Proportional to 3,185.52, 4,776.42 and 1,887.90

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Solution

The fourth proportional to 3,185.52, 4,776.42 and 1,887.90 is: 2,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.52 : 4,776.42 = 1,887.90 : x
  2. Step 2: Convert to fraction form
    3,185.52/4,776.42 = 1,887.90/x
  3. Step 3: Cross multiply
    3,185.52x = 4,776.42 × 1,887.90
  4. Step 4: Simplify right side
    3,185.52x = 9,017,403.32
  5. Step 5: Solve for x
    x = 9,017,403.32/3,185.52
  6. Step 6: Final answer
    x = 2,830.75

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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.