Home / 2,724.87-3,762.54-2,220.80

Finding the Fourth Proportional to 2,724.87, 3,762.54 and 2,220.80

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Solution

The fourth proportional to 2,724.87, 3,762.54 and 2,220.80 is: 3,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.87 : 3,762.54 = 2,220.80 : x
  2. Step 2: Convert to fraction form
    2,724.87/3,762.54 = 2,220.80/x
  3. Step 3: Cross multiply
    2,724.87x = 3,762.54 × 2,220.80
  4. Step 4: Simplify right side
    2,724.87x = 8,355,830.02
  5. Step 5: Solve for x
    x = 8,355,830.02/2,724.87
  6. Step 6: Final answer
    x = 3,066.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.