Home / 2,613.99-3,921.67-1,517.30

Finding the Fourth Proportional to 2,613.99, 3,921.67 and 1,517.30

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Solution

The fourth proportional to 2,613.99, 3,921.67 and 1,517.30 is: 2,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.99 : 3,921.67 = 1,517.30 : x
  2. Step 2: Convert to fraction form
    2,613.99/3,921.67 = 1,517.30/x
  3. Step 3: Cross multiply
    2,613.99x = 3,921.67 × 1,517.30
  4. Step 4: Simplify right side
    2,613.99x = 5,950,342.30
  5. Step 5: Solve for x
    x = 5,950,342.30/2,613.99
  6. Step 6: Final answer
    x = 2,276.35

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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.