Home / 2,782.65-3,819.63-2,460.87

Finding the Fourth Proportional to 2,782.65, 3,819.63 and 2,460.87

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Solution

The fourth proportional to 2,782.65, 3,819.63 and 2,460.87 is: 3,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.65 : 3,819.63 = 2,460.87 : x
  2. Step 2: Convert to fraction form
    2,782.65/3,819.63 = 2,460.87/x
  3. Step 3: Cross multiply
    2,782.65x = 3,819.63 × 2,460.87
  4. Step 4: Simplify right side
    2,782.65x = 9,399,612.88
  5. Step 5: Solve for x
    x = 9,399,612.88/2,782.65
  6. Step 6: Final answer
    x = 3,377.94

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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.