Home / 3,498.12-4,798.91-3,439.80

Finding the Fourth Proportional to 3,498.12, 4,798.91 and 3,439.80

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Solution

The fourth proportional to 3,498.12, 4,798.91 and 3,439.80 is: 4,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.12 : 4,798.91 = 3,439.80 : x
  2. Step 2: Convert to fraction form
    3,498.12/4,798.91 = 3,439.80/x
  3. Step 3: Cross multiply
    3,498.12x = 4,798.91 × 3,439.80
  4. Step 4: Simplify right side
    3,498.12x = 16,507,299.22
  5. Step 5: Solve for x
    x = 16,507,299.22/3,498.12
  6. Step 6: Final answer
    x = 4,718.91

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.