Home / 3,440.16-5,160.44-1,249.12

Finding the Fourth Proportional to 3,440.16, 5,160.44 and 1,249.12

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Solution

The fourth proportional to 3,440.16, 5,160.44 and 1,249.12 is: 1,873.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.16 : 5,160.44 = 1,249.12 : x
  2. Step 2: Convert to fraction form
    3,440.16/5,160.44 = 1,249.12/x
  3. Step 3: Cross multiply
    3,440.16x = 5,160.44 × 1,249.12
  4. Step 4: Simplify right side
    3,440.16x = 6,446,008.81
  5. Step 5: Solve for x
    x = 6,446,008.81/3,440.16
  6. Step 6: Final answer
    x = 1,873.75

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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.