Home / 3,471.12-5,181.30-3,012.12

Finding the Fourth Proportional to 3,471.12, 5,181.30 and 3,012.12

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Solution

The fourth proportional to 3,471.12, 5,181.30 and 3,012.12 is: 4,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.12 : 5,181.30 = 3,012.12 : x
  2. Step 2: Convert to fraction form
    3,471.12/5,181.30 = 3,012.12/x
  3. Step 3: Cross multiply
    3,471.12x = 5,181.30 × 3,012.12
  4. Step 4: Simplify right side
    3,471.12x = 15,606,697.36
  5. Step 5: Solve for x
    x = 15,606,697.36/3,471.12
  6. Step 6: Final answer
    x = 4,496.16

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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.