Home / 3,495.21-5,243.06-1,155.12

Finding the Fourth Proportional to 3,495.21, 5,243.06 and 1,155.12

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Solution

The fourth proportional to 3,495.21, 5,243.06 and 1,155.12 is: 1,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.21 : 5,243.06 = 1,155.12 : x
  2. Step 2: Convert to fraction form
    3,495.21/5,243.06 = 1,155.12/x
  3. Step 3: Cross multiply
    3,495.21x = 5,243.06 × 1,155.12
  4. Step 4: Simplify right side
    3,495.21x = 6,056,363.47
  5. Step 5: Solve for x
    x = 6,056,363.47/3,495.21
  6. Step 6: Final answer
    x = 1,732.76

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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.