Home / 3,151.03-4,348.73-1,824.65

Finding the Fourth Proportional to 3,151.03, 4,348.73 and 1,824.65

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Solution

The fourth proportional to 3,151.03, 4,348.73 and 1,824.65 is: 2,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.03 : 4,348.73 = 1,824.65 : x
  2. Step 2: Convert to fraction form
    3,151.03/4,348.73 = 1,824.65/x
  3. Step 3: Cross multiply
    3,151.03x = 4,348.73 × 1,824.65
  4. Step 4: Simplify right side
    3,151.03x = 7,934,910.19
  5. Step 5: Solve for x
    x = 7,934,910.19/3,151.03
  6. Step 6: Final answer
    x = 2,518.20

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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.