Home / 3,158.35-4,727.80-2,963.95

Finding the Fourth Proportional to 3,158.35, 4,727.80 and 2,963.95

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Solution

The fourth proportional to 3,158.35, 4,727.80 and 2,963.95 is: 4,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.35 : 4,727.80 = 2,963.95 : x
  2. Step 2: Convert to fraction form
    3,158.35/4,727.80 = 2,963.95/x
  3. Step 3: Cross multiply
    3,158.35x = 4,727.80 × 2,963.95
  4. Step 4: Simplify right side
    3,158.35x = 14,012,962.81
  5. Step 5: Solve for x
    x = 14,012,962.81/3,158.35
  6. Step 6: Final answer
    x = 4,436.80

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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.