Home / 3,454.35-5,181.53-1,264.65

Finding the Fourth Proportional to 3,454.35, 5,181.53 and 1,264.65

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Solution

The fourth proportional to 3,454.35, 5,181.53 and 1,264.65 is: 1,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.35 : 5,181.53 = 1,264.65 : x
  2. Step 2: Convert to fraction form
    3,454.35/5,181.53 = 1,264.65/x
  3. Step 3: Cross multiply
    3,454.35x = 5,181.53 × 1,264.65
  4. Step 4: Simplify right side
    3,454.35x = 6,552,815.59
  5. Step 5: Solve for x
    x = 6,552,815.59/3,454.35
  6. Step 6: Final answer
    x = 1,896.98

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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.