Home / 1,613.10-2,226.33-1,170.84

Finding the Fourth Proportional to 1,613.10, 2,226.33 and 1,170.84

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Solution

The fourth proportional to 1,613.10, 2,226.33 and 1,170.84 is: 1,615.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.10 : 2,226.33 = 1,170.84 : x
  2. Step 2: Convert to fraction form
    1,613.10/2,226.33 = 1,170.84/x
  3. Step 3: Cross multiply
    1,613.10x = 2,226.33 × 1,170.84
  4. Step 4: Simplify right side
    1,613.10x = 2,606,676.22
  5. Step 5: Solve for x
    x = 2,606,676.22/1,613.10
  6. Step 6: Final answer
    x = 1,615.94

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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.