Home / 3,281.80-4,918.08-2,792.92

Finding the Fourth Proportional to 3,281.80, 4,918.08 and 2,792.92

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Solution

The fourth proportional to 3,281.80, 4,918.08 and 2,792.92 is: 4,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.80 : 4,918.08 = 2,792.92 : x
  2. Step 2: Convert to fraction form
    3,281.80/4,918.08 = 2,792.92/x
  3. Step 3: Cross multiply
    3,281.80x = 4,918.08 × 2,792.92
  4. Step 4: Simplify right side
    3,281.80x = 13,735,803.99
  5. Step 5: Solve for x
    x = 13,735,803.99/3,281.80
  6. Step 6: Final answer
    x = 4,185.45

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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.