Home / 3,702.08-5,112.24-3,479.60

Finding the Fourth Proportional to 3,702.08, 5,112.24 and 3,479.60

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Solution

The fourth proportional to 3,702.08, 5,112.24 and 3,479.60 is: 4,805.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.08 : 5,112.24 = 3,479.60 : x
  2. Step 2: Convert to fraction form
    3,702.08/5,112.24 = 3,479.60/x
  3. Step 3: Cross multiply
    3,702.08x = 5,112.24 × 3,479.60
  4. Step 4: Simplify right side
    3,702.08x = 17,788,550.30
  5. Step 5: Solve for x
    x = 17,788,550.30/3,702.08
  6. Step 6: Final answer
    x = 4,805.02

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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.