Home / 3,654.12-5,482.55-1,898.03

Finding the Fourth Proportional to 3,654.12, 5,482.55 and 1,898.03

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Solution

The fourth proportional to 3,654.12, 5,482.55 and 1,898.03 is: 2,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.12 : 5,482.55 = 1,898.03 : x
  2. Step 2: Convert to fraction form
    3,654.12/5,482.55 = 1,898.03/x
  3. Step 3: Cross multiply
    3,654.12x = 5,482.55 × 1,898.03
  4. Step 4: Simplify right side
    3,654.12x = 10,406,044.38
  5. Step 5: Solve for x
    x = 10,406,044.38/3,654.12
  6. Step 6: Final answer
    x = 2,847.76

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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.