Home / 2,031.05-3,044.11-989.49

Finding the Fourth Proportional to 2,031.05, 3,044.11 and 989.49

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Solution

The fourth proportional to 2,031.05, 3,044.11 and 989.49 is: 1,483.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.05 : 3,044.11 = 989.49 : x
  2. Step 2: Convert to fraction form
    2,031.05/3,044.11 = 989.49/x
  3. Step 3: Cross multiply
    2,031.05x = 3,044.11 × 989.49
  4. Step 4: Simplify right side
    2,031.05x = 3,012,101.18
  5. Step 5: Solve for x
    x = 3,012,101.18/2,031.05
  6. Step 6: Final answer
    x = 1,483.03

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1.5x scale

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.