Home / 2,038.10-3,057.36-739.28

Finding the Fourth Proportional to 2,038.10, 3,057.36 and 739.28

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Solution

The fourth proportional to 2,038.10, 3,057.36 and 739.28 is: 1,109.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.10 : 3,057.36 = 739.28 : x
  2. Step 2: Convert to fraction form
    2,038.10/3,057.36 = 739.28/x
  3. Step 3: Cross multiply
    2,038.10x = 3,057.36 × 739.28
  4. Step 4: Simplify right side
    2,038.10x = 2,260,245.10
  5. Step 5: Solve for x
    x = 2,260,245.10/2,038.10
  6. Step 6: Final answer
    x = 1,109.00

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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.