Home / 1,926.64-2,658.77-1,087.37

Finding the Fourth Proportional to 1,926.64, 2,658.77 and 1,087.37

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Solution

The fourth proportional to 1,926.64, 2,658.77 and 1,087.37 is: 1,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926.64 : 2,658.77 = 1,087.37 : x
  2. Step 2: Convert to fraction form
    1,926.64/2,658.77 = 1,087.37/x
  3. Step 3: Cross multiply
    1,926.64x = 2,658.77 × 1,087.37
  4. Step 4: Simplify right side
    1,926.64x = 2,891,083.12
  5. Step 5: Solve for x
    x = 2,891,083.12/1,926.64
  6. Step 6: Final answer
    x = 1,500.59

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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.