Home / 3,328.60-4,985.70-2,963.80

Finding the Fourth Proportional to 3,328.60, 4,985.70 and 2,963.80

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Solution

The fourth proportional to 3,328.60, 4,985.70 and 2,963.80 is: 4,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.60 : 4,985.70 = 2,963.80 : x
  2. Step 2: Convert to fraction form
    3,328.60/4,985.70 = 2,963.80/x
  3. Step 3: Cross multiply
    3,328.60x = 4,985.70 × 2,963.80
  4. Step 4: Simplify right side
    3,328.60x = 14,776,617.66
  5. Step 5: Solve for x
    x = 14,776,617.66/3,328.60
  6. Step 6: Final answer
    x = 4,439.29

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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.