Home / 1,933.80-2,900.76-1,008.12

Finding the Fourth Proportional to 1,933.80, 2,900.76 and 1,008.12

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Solution

The fourth proportional to 1,933.80, 2,900.76 and 1,008.12 is: 1,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.80 : 2,900.76 = 1,008.12 : x
  2. Step 2: Convert to fraction form
    1,933.80/2,900.76 = 1,008.12/x
  3. Step 3: Cross multiply
    1,933.80x = 2,900.76 × 1,008.12
  4. Step 4: Simplify right side
    1,933.80x = 2,924,314.17
  5. Step 5: Solve for x
    x = 2,924,314.17/1,933.80
  6. Step 6: Final answer
    x = 1,512.21

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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.