Home / 3,254.30-4,878.60-1,934.80

Finding the Fourth Proportional to 3,254.30, 4,878.60 and 1,934.80

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Solution

The fourth proportional to 3,254.30, 4,878.60 and 1,934.80 is: 2,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.30 : 4,878.60 = 1,934.80 : x
  2. Step 2: Convert to fraction form
    3,254.30/4,878.60 = 1,934.80/x
  3. Step 3: Cross multiply
    3,254.30x = 4,878.60 × 1,934.80
  4. Step 4: Simplify right side
    3,254.30x = 9,439,115.28
  5. Step 5: Solve for x
    x = 9,439,115.28/3,254.30
  6. Step 6: Final answer
    x = 2,900.51

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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.