Home / 2,887.58-4,323.80-2,238.86

Finding the Fourth Proportional to 2,887.58, 4,323.80 and 2,238.86

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Solution

The fourth proportional to 2,887.58, 4,323.80 and 2,238.86 is: 3,352.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.58 : 4,323.80 = 2,238.86 : x
  2. Step 2: Convert to fraction form
    2,887.58/4,323.80 = 2,238.86/x
  3. Step 3: Cross multiply
    2,887.58x = 4,323.80 × 2,238.86
  4. Step 4: Simplify right side
    2,887.58x = 9,680,366.85
  5. Step 5: Solve for x
    x = 9,680,366.85/2,887.58
  6. Step 6: Final answer
    x = 3,352.42

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1.5x scale

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.