Home / 3,454.41-5,181.98-1,480.24

Finding the Fourth Proportional to 3,454.41, 5,181.98 and 1,480.24

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Solution

The fourth proportional to 3,454.41, 5,181.98 and 1,480.24 is: 2,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.41 : 5,181.98 = 1,480.24 : x
  2. Step 2: Convert to fraction form
    3,454.41/5,181.98 = 1,480.24/x
  3. Step 3: Cross multiply
    3,454.41x = 5,181.98 × 1,480.24
  4. Step 4: Simplify right side
    3,454.41x = 7,670,574.08
  5. Step 5: Solve for x
    x = 7,670,574.08/3,454.41
  6. Step 6: Final answer
    x = 2,220.52

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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.