Home / 2,613.58-3,921.95-2,449.42

Finding the Fourth Proportional to 2,613.58, 3,921.95 and 2,449.42

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Solution

The fourth proportional to 2,613.58, 3,921.95 and 2,449.42 is: 3,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.58 : 3,921.95 = 2,449.42 : x
  2. Step 2: Convert to fraction form
    2,613.58/3,921.95 = 2,449.42/x
  3. Step 3: Cross multiply
    2,613.58x = 3,921.95 × 2,449.42
  4. Step 4: Simplify right side
    2,613.58x = 9,606,502.77
  5. Step 5: Solve for x
    x = 9,606,502.77/2,613.58
  6. Step 6: Final answer
    x = 3,675.61

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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.