Home / 2,934.84-4,399.75-1,290.13

Finding the Fourth Proportional to 2,934.84, 4,399.75 and 1,290.13

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Solution

The fourth proportional to 2,934.84, 4,399.75 and 1,290.13 is: 1,934.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.84 : 4,399.75 = 1,290.13 : x
  2. Step 2: Convert to fraction form
    2,934.84/4,399.75 = 1,290.13/x
  3. Step 3: Cross multiply
    2,934.84x = 4,399.75 × 1,290.13
  4. Step 4: Simplify right side
    2,934.84x = 5,676,249.47
  5. Step 5: Solve for x
    x = 5,676,249.47/2,934.84
  6. Step 6: Final answer
    x = 1,934.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.