Home / 2,113.35-3,167.00-1,186.96

Finding the Fourth Proportional to 2,113.35, 3,167.00 and 1,186.96

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Solution

The fourth proportional to 2,113.35, 3,167.00 and 1,186.96 is: 1,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.35 : 3,167.00 = 1,186.96 : x
  2. Step 2: Convert to fraction form
    2,113.35/3,167.00 = 1,186.96/x
  3. Step 3: Cross multiply
    2,113.35x = 3,167.00 × 1,186.96
  4. Step 4: Simplify right side
    2,113.35x = 3,759,101.08
  5. Step 5: Solve for x
    x = 3,759,101.08/2,113.35
  6. Step 6: Final answer
    x = 1,778.74

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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.