Home / 3,327.49-4,989.65-1,571.03

Finding the Fourth Proportional to 3,327.49, 4,989.65 and 1,571.03

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Solution

The fourth proportional to 3,327.49, 4,989.65 and 1,571.03 is: 2,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.49 : 4,989.65 = 1,571.03 : x
  2. Step 2: Convert to fraction form
    3,327.49/4,989.65 = 1,571.03/x
  3. Step 3: Cross multiply
    3,327.49x = 4,989.65 × 1,571.03
  4. Step 4: Simplify right side
    3,327.49x = 7,838,875.75
  5. Step 5: Solve for x
    x = 7,838,875.75/3,327.49
  6. Step 6: Final answer
    x = 2,355.79

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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.