Home / 2,409.26-3,613.90-949.10

Finding the Fourth Proportional to 2,409.26, 3,613.90 and 949.10

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Solution

The fourth proportional to 2,409.26, 3,613.90 and 949.10 is: 1,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.26 : 3,613.90 = 949.10 : x
  2. Step 2: Convert to fraction form
    2,409.26/3,613.90 = 949.10/x
  3. Step 3: Cross multiply
    2,409.26x = 3,613.90 × 949.10
  4. Step 4: Simplify right side
    2,409.26x = 3,429,952.49
  5. Step 5: Solve for x
    x = 3,429,952.49/2,409.26
  6. Step 6: Final answer
    x = 1,423.65

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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.