Home / 3,125.37-4,654.48-2,990.44

Finding the Fourth Proportional to 3,125.37, 4,654.48 and 2,990.44

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Solution

The fourth proportional to 3,125.37, 4,654.48 and 2,990.44 is: 4,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.37 : 4,654.48 = 2,990.44 : x
  2. Step 2: Convert to fraction form
    3,125.37/4,654.48 = 2,990.44/x
  3. Step 3: Cross multiply
    3,125.37x = 4,654.48 × 2,990.44
  4. Step 4: Simplify right side
    3,125.37x = 13,918,920.94
  5. Step 5: Solve for x
    x = 13,918,920.94/3,125.37
  6. Step 6: Final answer
    x = 4,453.52

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.