Home / 2,038.13-3,057.20-499.13

Finding the Fourth Proportional to 2,038.13, 3,057.20 and 499.13

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Solution

The fourth proportional to 2,038.13, 3,057.20 and 499.13 is: 748.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.13 : 3,057.20 = 499.13 : x
  2. Step 2: Convert to fraction form
    2,038.13/3,057.20 = 499.13/x
  3. Step 3: Cross multiply
    2,038.13x = 3,057.20 × 499.13
  4. Step 4: Simplify right side
    2,038.13x = 1,525,922.45
  5. Step 5: Solve for x
    x = 1,525,922.45/2,038.13
  6. Step 6: Final answer
    x = 748.69

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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.