Home / 1,027.32-1,423.83-1,011.96

Finding the Fourth Proportional to 1,027.32, 1,423.83 and 1,011.96

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Solution

The fourth proportional to 1,027.32, 1,423.83 and 1,011.96 is: 1,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.32 : 1,423.83 = 1,011.96 : x
  2. Step 2: Convert to fraction form
    1,027.32/1,423.83 = 1,011.96/x
  3. Step 3: Cross multiply
    1,027.32x = 1,423.83 × 1,011.96
  4. Step 4: Simplify right side
    1,027.32x = 1,440,859.01
  5. Step 5: Solve for x
    x = 1,440,859.01/1,027.32
  6. Step 6: Final answer
    x = 1,402.54

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.