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Finding the Fourth Proportional to 3,375.78, 4,658.64 and 2,049.33

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Solution

The fourth proportional to 3,375.78, 4,658.64 and 2,049.33 is: 2,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.78 : 4,658.64 = 2,049.33 : x
  2. Step 2: Convert to fraction form
    3,375.78/4,658.64 = 2,049.33/x
  3. Step 3: Cross multiply
    3,375.78x = 4,658.64 × 2,049.33
  4. Step 4: Simplify right side
    3,375.78x = 9,547,090.71
  5. Step 5: Solve for x
    x = 9,547,090.71/3,375.78
  6. Step 6: Final answer
    x = 2,828.11

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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.