Home / 2,934.45-4,046.21-1,870.79

Finding the Fourth Proportional to 2,934.45, 4,046.21 and 1,870.79

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Solution

The fourth proportional to 2,934.45, 4,046.21 and 1,870.79 is: 2,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.45 : 4,046.21 = 1,870.79 : x
  2. Step 2: Convert to fraction form
    2,934.45/4,046.21 = 1,870.79/x
  3. Step 3: Cross multiply
    2,934.45x = 4,046.21 × 1,870.79
  4. Step 4: Simplify right side
    2,934.45x = 7,569,609.21
  5. Step 5: Solve for x
    x = 7,569,609.21/2,934.45
  6. Step 6: Final answer
    x = 2,579.57

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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.