Home / 3,133.68-4,697.07-1,571.19

Finding the Fourth Proportional to 3,133.68, 4,697.07 and 1,571.19

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Solution

The fourth proportional to 3,133.68, 4,697.07 and 1,571.19 is: 2,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.68 : 4,697.07 = 1,571.19 : x
  2. Step 2: Convert to fraction form
    3,133.68/4,697.07 = 1,571.19/x
  3. Step 3: Cross multiply
    3,133.68x = 4,697.07 × 1,571.19
  4. Step 4: Simplify right side
    3,133.68x = 7,379,989.41
  5. Step 5: Solve for x
    x = 7,379,989.41/3,133.68
  6. Step 6: Final answer
    x = 2,355.06

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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.