Home / 2,341.88-3,509.22-1,188.44

Finding the Fourth Proportional to 2,341.88, 3,509.22 and 1,188.44

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Solution

The fourth proportional to 2,341.88, 3,509.22 and 1,188.44 is: 1,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.88 : 3,509.22 = 1,188.44 : x
  2. Step 2: Convert to fraction form
    2,341.88/3,509.22 = 1,188.44/x
  3. Step 3: Cross multiply
    2,341.88x = 3,509.22 × 1,188.44
  4. Step 4: Simplify right side
    2,341.88x = 4,170,497.42
  5. Step 5: Solve for x
    x = 4,170,497.42/2,341.88
  6. Step 6: Final answer
    x = 1,780.83

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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.