Home / 3,654.82-5,482.69-1,188.98

Finding the Fourth Proportional to 3,654.82, 5,482.69 and 1,188.98

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Solution

The fourth proportional to 3,654.82, 5,482.69 and 1,188.98 is: 1,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.82 : 5,482.69 = 1,188.98 : x
  2. Step 2: Convert to fraction form
    3,654.82/5,482.69 = 1,188.98/x
  3. Step 3: Cross multiply
    3,654.82x = 5,482.69 × 1,188.98
  4. Step 4: Simplify right side
    3,654.82x = 6,518,798.93
  5. Step 5: Solve for x
    x = 6,518,798.93/3,654.82
  6. Step 6: Final answer
    x = 1,783.62

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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.