Home / 3,453.89-5,181.84-1,113.85

Finding the Fourth Proportional to 3,453.89, 5,181.84 and 1,113.85

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Solution

The fourth proportional to 3,453.89, 5,181.84 and 1,113.85 is: 1,671.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.89 : 5,181.84 = 1,113.85 : x
  2. Step 2: Convert to fraction form
    3,453.89/5,181.84 = 1,113.85/x
  3. Step 3: Cross multiply
    3,453.89x = 5,181.84 × 1,113.85
  4. Step 4: Simplify right side
    3,453.89x = 5,771,783.71
  5. Step 5: Solve for x
    x = 5,771,783.71/3,453.89
  6. Step 6: Final answer
    x = 1,671.10

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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.