Home / 2,763.20-4,145.79-2,457.29

Finding the Fourth Proportional to 2,763.20, 4,145.79 and 2,457.29

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Solution

The fourth proportional to 2,763.20, 4,145.79 and 2,457.29 is: 3,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.20 : 4,145.79 = 2,457.29 : x
  2. Step 2: Convert to fraction form
    2,763.20/4,145.79 = 2,457.29/x
  3. Step 3: Cross multiply
    2,763.20x = 4,145.79 × 2,457.29
  4. Step 4: Simplify right side
    2,763.20x = 10,187,408.31
  5. Step 5: Solve for x
    x = 10,187,408.31/2,763.20
  6. Step 6: Final answer
    x = 3,686.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.