Home / 1,663.29-2,295.41-1,000.44

Finding the Fourth Proportional to 1,663.29, 2,295.41 and 1,000.44

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Solution

The fourth proportional to 1,663.29, 2,295.41 and 1,000.44 is: 1,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663.29 : 2,295.41 = 1,000.44 : x
  2. Step 2: Convert to fraction form
    1,663.29/2,295.41 = 1,000.44/x
  3. Step 3: Cross multiply
    1,663.29x = 2,295.41 × 1,000.44
  4. Step 4: Simplify right side
    1,663.29x = 2,296,414.98
  5. Step 5: Solve for x
    x = 2,296,414.98/1,663.29
  6. Step 6: Final answer
    x = 1,380.65

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1.5x scale

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.