Home / 3,327.12-4,989.08-1,570.66

Finding the Fourth Proportional to 3,327.12, 4,989.08 and 1,570.66

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Solution

The fourth proportional to 3,327.12, 4,989.08 and 1,570.66 is: 2,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.12 : 4,989.08 = 1,570.66 : x
  2. Step 2: Convert to fraction form
    3,327.12/4,989.08 = 1,570.66/x
  3. Step 3: Cross multiply
    3,327.12x = 4,989.08 × 1,570.66
  4. Step 4: Simplify right side
    3,327.12x = 7,836,139.85
  5. Step 5: Solve for x
    x = 7,836,139.85/3,327.12
  6. Step 6: Final answer
    x = 2,355.23

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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.