Home / 2,613.99-3,911.67-2,440.20

Finding the Fourth Proportional to 2,613.99, 3,911.67 and 2,440.20

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Solution

The fourth proportional to 2,613.99, 3,911.67 and 2,440.20 is: 3,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.99 : 3,911.67 = 2,440.20 : x
  2. Step 2: Convert to fraction form
    2,613.99/3,911.67 = 2,440.20/x
  3. Step 3: Cross multiply
    2,613.99x = 3,911.67 × 2,440.20
  4. Step 4: Simplify right side
    2,613.99x = 9,545,257.13
  5. Step 5: Solve for x
    x = 9,545,257.13/2,613.99
  6. Step 6: Final answer
    x = 3,651.60

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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.