Home / 2,431.10-3,645.45-1,114.44

Finding the Fourth Proportional to 2,431.10, 3,645.45 and 1,114.44

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Solution

The fourth proportional to 2,431.10, 3,645.45 and 1,114.44 is: 1,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.10 : 3,645.45 = 1,114.44 : x
  2. Step 2: Convert to fraction form
    2,431.10/3,645.45 = 1,114.44/x
  3. Step 3: Cross multiply
    2,431.10x = 3,645.45 × 1,114.44
  4. Step 4: Simplify right side
    2,431.10x = 4,062,635.30
  5. Step 5: Solve for x
    x = 4,062,635.30/2,431.10
  6. Step 6: Final answer
    x = 1,671.11

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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.