Home / 2,038.40-3,057.26-577.22

Finding the Fourth Proportional to 2,038.40, 3,057.26 and 577.22

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Solution

The fourth proportional to 2,038.40, 3,057.26 and 577.22 is: 865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.40 : 3,057.26 = 577.22 : x
  2. Step 2: Convert to fraction form
    2,038.40/3,057.26 = 577.22/x
  3. Step 3: Cross multiply
    2,038.40x = 3,057.26 × 577.22
  4. Step 4: Simplify right side
    2,038.40x = 1,764,711.62
  5. Step 5: Solve for x
    x = 1,764,711.62/2,038.40
  6. Step 6: Final answer
    x = 865.73

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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.