Home / 3,347-4,618.88-1,949.84

Finding the Fourth Proportional to 3,347, 4,618.88 and 1,949.84

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Solution

The fourth proportional to 3,347, 4,618.88 and 1,949.84 is: 2,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347 : 4,618.88 = 1,949.84 : x
  2. Step 2: Convert to fraction form
    3,347/4,618.88 = 1,949.84/x
  3. Step 3: Cross multiply
    3,347x = 4,618.88 × 1,949.84
  4. Step 4: Simplify right side
    3,347x = 9,006,076.98
  5. Step 5: Solve for x
    x = 9,006,076.98/3,347
  6. Step 6: Final answer
    x = 2,690.79

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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.