Home / 1,455.88-2,186.26-1,299.96

Finding the Fourth Proportional to 1,455.88, 2,186.26 and 1,299.96

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Solution

The fourth proportional to 1,455.88, 2,186.26 and 1,299.96 is: 1,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455.88 : 2,186.26 = 1,299.96 : x
  2. Step 2: Convert to fraction form
    1,455.88/2,186.26 = 1,299.96/x
  3. Step 3: Cross multiply
    1,455.88x = 2,186.26 × 1,299.96
  4. Step 4: Simplify right side
    1,455.88x = 2,842,050.55
  5. Step 5: Solve for x
    x = 2,842,050.55/1,455.88
  6. Step 6: Final answer
    x = 1,952.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.