Home / 3,555.39-5,330.31-2,168.47

Finding the Fourth Proportional to 3,555.39, 5,330.31 and 2,168.47

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Solution

The fourth proportional to 3,555.39, 5,330.31 and 2,168.47 is: 3,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.39 : 5,330.31 = 2,168.47 : x
  2. Step 2: Convert to fraction form
    3,555.39/5,330.31 = 2,168.47/x
  3. Step 3: Cross multiply
    3,555.39x = 5,330.31 × 2,168.47
  4. Step 4: Simplify right side
    3,555.39x = 11,558,615.86
  5. Step 5: Solve for x
    x = 11,558,615.86/3,555.39
  6. Step 6: Final answer
    x = 3,251.01

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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.