Home / 3,495.11-5,243.76-1,646.15

Finding the Fourth Proportional to 3,495.11, 5,243.76 and 1,646.15

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Solution

The fourth proportional to 3,495.11, 5,243.76 and 1,646.15 is: 2,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.11 : 5,243.76 = 1,646.15 : x
  2. Step 2: Convert to fraction form
    3,495.11/5,243.76 = 1,646.15/x
  3. Step 3: Cross multiply
    3,495.11x = 5,243.76 × 1,646.15
  4. Step 4: Simplify right side
    3,495.11x = 8,631,989.31
  5. Step 5: Solve for x
    x = 8,631,989.31/3,495.11
  6. Step 6: Final answer
    x = 2,469.74

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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.