Home / 2,709.05-4,059.32-1,612.81

Finding the Fourth Proportional to 2,709.05, 4,059.32 and 1,612.81

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Solution

The fourth proportional to 2,709.05, 4,059.32 and 1,612.81 is: 2,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.05 : 4,059.32 = 1,612.81 : x
  2. Step 2: Convert to fraction form
    2,709.05/4,059.32 = 1,612.81/x
  3. Step 3: Cross multiply
    2,709.05x = 4,059.32 × 1,612.81
  4. Step 4: Simplify right side
    2,709.05x = 6,546,908.90
  5. Step 5: Solve for x
    x = 6,546,908.90/2,709.05
  6. Step 6: Final answer
    x = 2,416.69

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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.