Home / 3,681.76-5,517.48-2,039.08

Finding the Fourth Proportional to 3,681.76, 5,517.48 and 2,039.08

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Solution

The fourth proportional to 3,681.76, 5,517.48 and 2,039.08 is: 3,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.76 : 5,517.48 = 2,039.08 : x
  2. Step 2: Convert to fraction form
    3,681.76/5,517.48 = 2,039.08/x
  3. Step 3: Cross multiply
    3,681.76x = 5,517.48 × 2,039.08
  4. Step 4: Simplify right side
    3,681.76x = 11,250,583.12
  5. Step 5: Solve for x
    x = 11,250,583.12/3,681.76
  6. Step 6: Final answer
    x = 3,055.76

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1.5x scale

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.