Home / 1,889.24-2,607.26-1,181.52

Finding the Fourth Proportional to 1,889.24, 2,607.26 and 1,181.52

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Solution

The fourth proportional to 1,889.24, 2,607.26 and 1,181.52 is: 1,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.24 : 2,607.26 = 1,181.52 : x
  2. Step 2: Convert to fraction form
    1,889.24/2,607.26 = 1,181.52/x
  3. Step 3: Cross multiply
    1,889.24x = 2,607.26 × 1,181.52
  4. Step 4: Simplify right side
    1,889.24x = 3,080,529.84
  5. Step 5: Solve for x
    x = 3,080,529.84/1,889.24
  6. Step 6: Final answer
    x = 1,630.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.