Home / 2,199.16-3,035.46-1,267.48

Finding the Fourth Proportional to 2,199.16, 3,035.46 and 1,267.48

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Solution

The fourth proportional to 2,199.16, 3,035.46 and 1,267.48 is: 1,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.16 : 3,035.46 = 1,267.48 : x
  2. Step 2: Convert to fraction form
    2,199.16/3,035.46 = 1,267.48/x
  3. Step 3: Cross multiply
    2,199.16x = 3,035.46 × 1,267.48
  4. Step 4: Simplify right side
    2,199.16x = 3,847,384.84
  5. Step 5: Solve for x
    x = 3,847,384.84/2,199.16
  6. Step 6: Final answer
    x = 1,749.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.