Home / 3,151.49-4,348.72-1,824.94

Finding the Fourth Proportional to 3,151.49, 4,348.72 and 1,824.94

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Solution

The fourth proportional to 3,151.49, 4,348.72 and 1,824.94 is: 2,518.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.49 : 4,348.72 = 1,824.94 : x
  2. Step 2: Convert to fraction form
    3,151.49/4,348.72 = 1,824.94/x
  3. Step 3: Cross multiply
    3,151.49x = 4,348.72 × 1,824.94
  4. Step 4: Simplify right side
    3,151.49x = 7,936,160.79
  5. Step 5: Solve for x
    x = 7,936,160.79/3,151.49
  6. Step 6: Final answer
    x = 2,518.23

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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.