Home / 3,662.48-5,052.08-2,776.80

Finding the Fourth Proportional to 3,662.48, 5,052.08 and 2,776.80

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Solution

The fourth proportional to 3,662.48, 5,052.08 and 2,776.80 is: 3,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,662.48 : 5,052.08 = 2,776.80 : x
  2. Step 2: Convert to fraction form
    3,662.48/5,052.08 = 2,776.80/x
  3. Step 3: Cross multiply
    3,662.48x = 5,052.08 × 2,776.80
  4. Step 4: Simplify right side
    3,662.48x = 14,028,615.74
  5. Step 5: Solve for x
    x = 14,028,615.74/3,662.48
  6. Step 6: Final answer
    x = 3,830.36

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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.