Home / 1,996.03-2,989.59-1,530.38

Finding the Fourth Proportional to 1,996.03, 2,989.59 and 1,530.38

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Solution

The fourth proportional to 1,996.03, 2,989.59 and 1,530.38 is: 2,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.03 : 2,989.59 = 1,530.38 : x
  2. Step 2: Convert to fraction form
    1,996.03/2,989.59 = 1,530.38/x
  3. Step 3: Cross multiply
    1,996.03x = 2,989.59 × 1,530.38
  4. Step 4: Simplify right side
    1,996.03x = 4,575,208.74
  5. Step 5: Solve for x
    x = 4,575,208.74/1,996.03
  6. Step 6: Final answer
    x = 2,292.15

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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.