Home / 3,459.38-5,180.58-3,126.56

Finding the Fourth Proportional to 3,459.38, 5,180.58 and 3,126.56

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Solution

The fourth proportional to 3,459.38, 5,180.58 and 3,126.56 is: 4,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.38 : 5,180.58 = 3,126.56 : x
  2. Step 2: Convert to fraction form
    3,459.38/5,180.58 = 3,126.56/x
  3. Step 3: Cross multiply
    3,459.38x = 5,180.58 × 3,126.56
  4. Step 4: Simplify right side
    3,459.38x = 16,197,368.30
  5. Step 5: Solve for x
    x = 16,197,368.30/3,459.38
  6. Step 6: Final answer
    x = 4,682.17

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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.