Home / 2,343.32-3,518.22-1,189.88

Finding the Fourth Proportional to 2,343.32, 3,518.22 and 1,189.88

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Solution

The fourth proportional to 2,343.32, 3,518.22 and 1,189.88 is: 1,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.32 : 3,518.22 = 1,189.88 : x
  2. Step 2: Convert to fraction form
    2,343.32/3,518.22 = 1,189.88/x
  3. Step 3: Cross multiply
    2,343.32x = 3,518.22 × 1,189.88
  4. Step 4: Simplify right side
    2,343.32x = 4,186,259.61
  5. Step 5: Solve for x
    x = 4,186,259.61/2,343.32
  6. Step 6: Final answer
    x = 1,786.47

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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.