Home / 3,571.59-5,347.78-2,910.76

Finding the Fourth Proportional to 3,571.59, 5,347.78 and 2,910.76

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Solution

The fourth proportional to 3,571.59, 5,347.78 and 2,910.76 is: 4,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.59 : 5,347.78 = 2,910.76 : x
  2. Step 2: Convert to fraction form
    3,571.59/5,347.78 = 2,910.76/x
  3. Step 3: Cross multiply
    3,571.59x = 5,347.78 × 2,910.76
  4. Step 4: Simplify right side
    3,571.59x = 15,566,118.97
  5. Step 5: Solve for x
    x = 15,566,118.97/3,571.59
  6. Step 6: Final answer
    x = 4,358.32

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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.