Home / 3,459.13-5,181.81-3,175.63

Finding the Fourth Proportional to 3,459.13, 5,181.81 and 3,175.63

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Solution

The fourth proportional to 3,459.13, 5,181.81 and 3,175.63 is: 4,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.13 : 5,181.81 = 3,175.63 : x
  2. Step 2: Convert to fraction form
    3,459.13/5,181.81 = 3,175.63/x
  3. Step 3: Cross multiply
    3,459.13x = 5,181.81 × 3,175.63
  4. Step 4: Simplify right side
    3,459.13x = 16,455,486.43
  5. Step 5: Solve for x
    x = 16,455,486.43/3,459.13
  6. Step 6: Final answer
    x = 4,757.12

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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.