Home / 3,319.03-4,978.55-1,371.29

Finding the Fourth Proportional to 3,319.03, 4,978.55 and 1,371.29

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Solution

The fourth proportional to 3,319.03, 4,978.55 and 1,371.29 is: 2,056.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,319.03 : 4,978.55 = 1,371.29 : x
  2. Step 2: Convert to fraction form
    3,319.03/4,978.55 = 1,371.29/x
  3. Step 3: Cross multiply
    3,319.03x = 4,978.55 × 1,371.29
  4. Step 4: Simplify right side
    3,319.03x = 6,827,006.65
  5. Step 5: Solve for x
    x = 6,827,006.65/3,319.03
  6. Step 6: Final answer
    x = 2,056.93

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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.