Home / 3,459.21-5,162.04-3,090.03

Finding the Fourth Proportional to 3,459.21, 5,162.04 and 3,090.03

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Solution

The fourth proportional to 3,459.21, 5,162.04 and 3,090.03 is: 4,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.21 : 5,162.04 = 3,090.03 : x
  2. Step 2: Convert to fraction form
    3,459.21/5,162.04 = 3,090.03/x
  3. Step 3: Cross multiply
    3,459.21x = 5,162.04 × 3,090.03
  4. Step 4: Simplify right side
    3,459.21x = 15,950,858.46
  5. Step 5: Solve for x
    x = 15,950,858.46/3,459.21
  6. Step 6: Final answer
    x = 4,611.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.