Home / 1,534.62-2,117.73-835.98

Finding the Fourth Proportional to 1,534.62, 2,117.73 and 835.98

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Solution

The fourth proportional to 1,534.62, 2,117.73 and 835.98 is: 1,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.62 : 2,117.73 = 835.98 : x
  2. Step 2: Convert to fraction form
    1,534.62/2,117.73 = 835.98/x
  3. Step 3: Cross multiply
    1,534.62x = 2,117.73 × 835.98
  4. Step 4: Simplify right side
    1,534.62x = 1,770,379.93
  5. Step 5: Solve for x
    x = 1,770,379.93/1,534.62
  6. Step 6: Final answer
    x = 1,153.63

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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.