Home / 3,005.00-4,505.68-1,359.28

Finding the Fourth Proportional to 3,005.00, 4,505.68 and 1,359.28

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Solution

The fourth proportional to 3,005.00, 4,505.68 and 1,359.28 is: 2,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.00 : 4,505.68 = 1,359.28 : x
  2. Step 2: Convert to fraction form
    3,005.00/4,505.68 = 1,359.28/x
  3. Step 3: Cross multiply
    3,005.00x = 4,505.68 × 1,359.28
  4. Step 4: Simplify right side
    3,005.00x = 6,124,480.40
  5. Step 5: Solve for x
    x = 6,124,480.40/3,005.00
  6. Step 6: Final answer
    x = 2,038.10

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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.