Home / 3,442.36-4,748.90-2,115.58

Finding the Fourth Proportional to 3,442.36, 4,748.90 and 2,115.58

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Solution

The fourth proportional to 3,442.36, 4,748.90 and 2,115.58 is: 2,918.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.36 : 4,748.90 = 2,115.58 : x
  2. Step 2: Convert to fraction form
    3,442.36/4,748.90 = 2,115.58/x
  3. Step 3: Cross multiply
    3,442.36x = 4,748.90 × 2,115.58
  4. Step 4: Simplify right side
    3,442.36x = 10,046,654.12
  5. Step 5: Solve for x
    x = 10,046,654.12/3,442.36
  6. Step 6: Final answer
    x = 2,918.54

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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.