Home / 2,620.10-3,621.51-2,302.98

Finding the Fourth Proportional to 2,620.10, 3,621.51 and 2,302.98

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Solution

The fourth proportional to 2,620.10, 3,621.51 and 2,302.98 is: 3,183.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.10 : 3,621.51 = 2,302.98 : x
  2. Step 2: Convert to fraction form
    2,620.10/3,621.51 = 2,302.98/x
  3. Step 3: Cross multiply
    2,620.10x = 3,621.51 × 2,302.98
  4. Step 4: Simplify right side
    2,620.10x = 8,340,265.10
  5. Step 5: Solve for x
    x = 8,340,265.10/2,620.10
  6. Step 6: Final answer
    x = 3,183.19

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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.