Home / 1,613.14-2,226.22-1,219.48

Finding the Fourth Proportional to 1,613.14, 2,226.22 and 1,219.48

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Solution

The fourth proportional to 1,613.14, 2,226.22 and 1,219.48 is: 1,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.14 : 2,226.22 = 1,219.48 : x
  2. Step 2: Convert to fraction form
    1,613.14/2,226.22 = 1,219.48/x
  3. Step 3: Cross multiply
    1,613.14x = 2,226.22 × 1,219.48
  4. Step 4: Simplify right side
    1,613.14x = 2,714,830.77
  5. Step 5: Solve for x
    x = 2,714,830.77/1,613.14
  6. Step 6: Final answer
    x = 1,682.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.