Home / 2,906.71-4,011.29-1,727.56

Finding the Fourth Proportional to 2,906.71, 4,011.29 and 1,727.56

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Solution

The fourth proportional to 2,906.71, 4,011.29 and 1,727.56 is: 2,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.71 : 4,011.29 = 1,727.56 : x
  2. Step 2: Convert to fraction form
    2,906.71/4,011.29 = 1,727.56/x
  3. Step 3: Cross multiply
    2,906.71x = 4,011.29 × 1,727.56
  4. Step 4: Simplify right side
    2,906.71x = 6,929,744.15
  5. Step 5: Solve for x
    x = 6,929,744.15/2,906.71
  6. Step 6: Final answer
    x = 2,384.05

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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.