Home / 1,889.36-2,607.13-1,092.57

Finding the Fourth Proportional to 1,889.36, 2,607.13 and 1,092.57

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Solution

The fourth proportional to 1,889.36, 2,607.13 and 1,092.57 is: 1,507.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.36 : 2,607.13 = 1,092.57 : x
  2. Step 2: Convert to fraction form
    1,889.36/2,607.13 = 1,092.57/x
  3. Step 3: Cross multiply
    1,889.36x = 2,607.13 × 1,092.57
  4. Step 4: Simplify right side
    1,889.36x = 2,848,457.47
  5. Step 5: Solve for x
    x = 2,848,457.47/1,889.36
  6. Step 6: Final answer
    x = 1,507.63

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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.