Home / 1,666.14-2,495.96-1,087.26

Finding the Fourth Proportional to 1,666.14, 2,495.96 and 1,087.26

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Solution

The fourth proportional to 1,666.14, 2,495.96 and 1,087.26 is: 1,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.14 : 2,495.96 = 1,087.26 : x
  2. Step 2: Convert to fraction form
    1,666.14/2,495.96 = 1,087.26/x
  3. Step 3: Cross multiply
    1,666.14x = 2,495.96 × 1,087.26
  4. Step 4: Simplify right side
    1,666.14x = 2,713,757.47
  5. Step 5: Solve for x
    x = 2,713,757.47/1,666.14
  6. Step 6: Final answer
    x = 1,628.77

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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.