Home / 3,455.66-5,181.67-1,607.65

Finding the Fourth Proportional to 3,455.66, 5,181.67 and 1,607.65

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Solution

The fourth proportional to 3,455.66, 5,181.67 and 1,607.65 is: 2,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.66 : 5,181.67 = 1,607.65 : x
  2. Step 2: Convert to fraction form
    3,455.66/5,181.67 = 1,607.65/x
  3. Step 3: Cross multiply
    3,455.66x = 5,181.67 × 1,607.65
  4. Step 4: Simplify right side
    3,455.66x = 8,330,311.78
  5. Step 5: Solve for x
    x = 8,330,311.78/3,455.66
  6. Step 6: Final answer
    x = 2,410.63

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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.