Home / 3,663.28-5,055.60-2,998.18

Finding the Fourth Proportional to 3,663.28, 5,055.60 and 2,998.18

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Solution

The fourth proportional to 3,663.28, 5,055.60 and 2,998.18 is: 4,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.28 : 5,055.60 = 2,998.18 : x
  2. Step 2: Convert to fraction form
    3,663.28/5,055.60 = 2,998.18/x
  3. Step 3: Cross multiply
    3,663.28x = 5,055.60 × 2,998.18
  4. Step 4: Simplify right side
    3,663.28x = 15,157,598.81
  5. Step 5: Solve for x
    x = 15,157,598.81/3,663.28
  6. Step 6: Final answer
    x = 4,137.71

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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.