Home / 1,933.12-2,898.06-1,315.09

Finding the Fourth Proportional to 1,933.12, 2,898.06 and 1,315.09

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Solution

The fourth proportional to 1,933.12, 2,898.06 and 1,315.09 is: 1,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.12 : 2,898.06 = 1,315.09 : x
  2. Step 2: Convert to fraction form
    1,933.12/2,898.06 = 1,315.09/x
  3. Step 3: Cross multiply
    1,933.12x = 2,898.06 × 1,315.09
  4. Step 4: Simplify right side
    1,933.12x = 3,811,209.73
  5. Step 5: Solve for x
    x = 3,811,209.73/1,933.12
  6. Step 6: Final answer
    x = 1,971.53

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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.