Home / 1,529.83-2,108.14-1,086.96

Finding the Fourth Proportional to 1,529.83, 2,108.14 and 1,086.96

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Solution

The fourth proportional to 1,529.83, 2,108.14 and 1,086.96 is: 1,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,529.83 : 2,108.14 = 1,086.96 : x
  2. Step 2: Convert to fraction form
    1,529.83/2,108.14 = 1,086.96/x
  3. Step 3: Cross multiply
    1,529.83x = 2,108.14 × 1,086.96
  4. Step 4: Simplify right side
    1,529.83x = 2,291,463.85
  5. Step 5: Solve for x
    x = 2,291,463.85/1,529.83
  6. Step 6: Final answer
    x = 1,497.86

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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.