Home / 1,553.63-2,137.73-1,499.76

Finding the Fourth Proportional to 1,553.63, 2,137.73 and 1,499.76

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Solution

The fourth proportional to 1,553.63, 2,137.73 and 1,499.76 is: 2,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553.63 : 2,137.73 = 1,499.76 : x
  2. Step 2: Convert to fraction form
    1,553.63/2,137.73 = 1,499.76/x
  3. Step 3: Cross multiply
    1,553.63x = 2,137.73 × 1,499.76
  4. Step 4: Simplify right side
    1,553.63x = 3,206,074.45
  5. Step 5: Solve for x
    x = 3,206,074.45/1,553.63
  6. Step 6: Final answer
    x = 2,063.61

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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.