Home / 2,410.80-3,615.30-949.65

Finding the Fourth Proportional to 2,410.80, 3,615.30 and 949.65

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Solution

The fourth proportional to 2,410.80, 3,615.30 and 949.65 is: 1,424.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,410.80 : 3,615.30 = 949.65 : x
  2. Step 2: Convert to fraction form
    2,410.80/3,615.30 = 949.65/x
  3. Step 3: Cross multiply
    2,410.80x = 3,615.30 × 949.65
  4. Step 4: Simplify right side
    2,410.80x = 3,433,269.65
  5. Step 5: Solve for x
    x = 3,433,269.65/2,410.80
  6. Step 6: Final answer
    x = 1,424.12

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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.