Home / 1,646.11-2,469.17-1,186.84

Finding the Fourth Proportional to 1,646.11, 2,469.17 and 1,186.84

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Solution

The fourth proportional to 1,646.11, 2,469.17 and 1,186.84 is: 1,780.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,646.11 : 2,469.17 = 1,186.84 : x
  2. Step 2: Convert to fraction form
    1,646.11/2,469.17 = 1,186.84/x
  3. Step 3: Cross multiply
    1,646.11x = 2,469.17 × 1,186.84
  4. Step 4: Simplify right side
    1,646.11x = 2,930,509.72
  5. Step 5: Solve for x
    x = 2,930,509.72/1,646.11
  6. Step 6: Final answer
    x = 1,780.26

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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.