Home / 3,189.55-4,784.18-1,110.02

Finding the Fourth Proportional to 3,189.55, 4,784.18 and 1,110.02

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Solution

The fourth proportional to 3,189.55, 4,784.18 and 1,110.02 is: 1,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.55 : 4,784.18 = 1,110.02 : x
  2. Step 2: Convert to fraction form
    3,189.55/4,784.18 = 1,110.02/x
  3. Step 3: Cross multiply
    3,189.55x = 4,784.18 × 1,110.02
  4. Step 4: Simplify right side
    3,189.55x = 5,310,535.48
  5. Step 5: Solve for x
    x = 5,310,535.48/3,189.55
  6. Step 6: Final answer
    x = 1,664.98

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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.