Home / 2,782.42-3,819.28-2,460.63

Finding the Fourth Proportional to 2,782.42, 3,819.28 and 2,460.63

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Solution

The fourth proportional to 2,782.42, 3,819.28 and 2,460.63 is: 3,377.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.42 : 3,819.28 = 2,460.63 : x
  2. Step 2: Convert to fraction form
    2,782.42/3,819.28 = 2,460.63/x
  3. Step 3: Cross multiply
    2,782.42x = 3,819.28 × 2,460.63
  4. Step 4: Simplify right side
    2,782.42x = 9,397,834.95
  5. Step 5: Solve for x
    x = 9,397,834.95/2,782.42
  6. Step 6: Final answer
    x = 3,377.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.