Home / 3,005.84-4,505.40-1,359.92

Finding the Fourth Proportional to 3,005.84, 4,505.40 and 1,359.92

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Solution

The fourth proportional to 3,005.84, 4,505.40 and 1,359.92 is: 2,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.84 : 4,505.40 = 1,359.92 : x
  2. Step 2: Convert to fraction form
    3,005.84/4,505.40 = 1,359.92/x
  3. Step 3: Cross multiply
    3,005.84x = 4,505.40 × 1,359.92
  4. Step 4: Simplify right side
    3,005.84x = 6,126,983.57
  5. Step 5: Solve for x
    x = 6,126,983.57/3,005.84
  6. Step 6: Final answer
    x = 2,038.36

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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.