Home / 1,786.34-2,465.15-1,000.37

Finding the Fourth Proportional to 1,786.34, 2,465.15 and 1,000.37

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Solution

The fourth proportional to 1,786.34, 2,465.15 and 1,000.37 is: 1,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,786.34 : 2,465.15 = 1,000.37 : x
  2. Step 2: Convert to fraction form
    1,786.34/2,465.15 = 1,000.37/x
  3. Step 3: Cross multiply
    1,786.34x = 2,465.15 × 1,000.37
  4. Step 4: Simplify right side
    1,786.34x = 2,466,044.78
  5. Step 5: Solve for x
    x = 2,466,044.78/1,786.34
  6. Step 6: Final answer
    x = 1,380.51

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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.