Home / 3,003.85-4,506.78-1,155.02

Finding the Fourth Proportional to 3,003.85, 4,506.78 and 1,155.02

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Solution

The fourth proportional to 3,003.85, 4,506.78 and 1,155.02 is: 1,732.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.85 : 4,506.78 = 1,155.02 : x
  2. Step 2: Convert to fraction form
    3,003.85/4,506.78 = 1,155.02/x
  3. Step 3: Cross multiply
    3,003.85x = 4,506.78 × 1,155.02
  4. Step 4: Simplify right side
    3,003.85x = 5,205,421.04
  5. Step 5: Solve for x
    x = 5,205,421.04/3,003.85
  6. Step 6: Final answer
    x = 1,732.92

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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.