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Finding the Fourth Proportional to 2,038.20, 3,057.04 and 577.48

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Solution

The fourth proportional to 2,038.20, 3,057.04 and 577.48 is: 866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.20 : 3,057.04 = 577.48 : x
  2. Step 2: Convert to fraction form
    2,038.20/3,057.04 = 577.48/x
  3. Step 3: Cross multiply
    2,038.20x = 3,057.04 × 577.48
  4. Step 4: Simplify right side
    2,038.20x = 1,765,379.46
  5. Step 5: Solve for x
    x = 1,765,379.46/2,038.20
  6. Step 6: Final answer
    x = 866.15

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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.