Home / 3,654.18-5,481.84-1,574.78

Finding the Fourth Proportional to 3,654.18, 5,481.84 and 1,574.78

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Solution

The fourth proportional to 3,654.18, 5,481.84 and 1,574.78 is: 2,362.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.18 : 5,481.84 = 1,574.78 : x
  2. Step 2: Convert to fraction form
    3,654.18/5,481.84 = 1,574.78/x
  3. Step 3: Cross multiply
    3,654.18x = 5,481.84 × 1,574.78
  4. Step 4: Simplify right side
    3,654.18x = 8,632,670.49
  5. Step 5: Solve for x
    x = 8,632,670.49/3,654.18
  6. Step 6: Final answer
    x = 2,362.41

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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.