Home / 3,538.80-4,878.48-2,359.44

Finding the Fourth Proportional to 3,538.80, 4,878.48 and 2,359.44

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Solution

The fourth proportional to 3,538.80, 4,878.48 and 2,359.44 is: 3,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.80 : 4,878.48 = 2,359.44 : x
  2. Step 2: Convert to fraction form
    3,538.80/4,878.48 = 2,359.44/x
  3. Step 3: Cross multiply
    3,538.80x = 4,878.48 × 2,359.44
  4. Step 4: Simplify right side
    3,538.80x = 11,510,480.85
  5. Step 5: Solve for x
    x = 11,510,480.85/3,538.80
  6. Step 6: Final answer
    x = 3,252.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.