Home / 3,495.15-5,242.82-1,155.15

Finding the Fourth Proportional to 3,495.15, 5,242.82 and 1,155.15

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Solution

The fourth proportional to 3,495.15, 5,242.82 and 1,155.15 is: 1,732.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.15 : 5,242.82 = 1,155.15 : x
  2. Step 2: Convert to fraction form
    3,495.15/5,242.82 = 1,155.15/x
  3. Step 3: Cross multiply
    3,495.15x = 5,242.82 × 1,155.15
  4. Step 4: Simplify right side
    3,495.15x = 6,056,237.75
  5. Step 5: Solve for x
    x = 6,056,237.75/3,495.15
  6. Step 6: Final answer
    x = 1,732.75

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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.