Home / 2,113.35-3,165.99-1,186.10

Finding the Fourth Proportional to 2,113.35, 3,165.99 and 1,186.10

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Solution

The fourth proportional to 2,113.35, 3,165.99 and 1,186.10 is: 1,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.35 : 3,165.99 = 1,186.10 : x
  2. Step 2: Convert to fraction form
    2,113.35/3,165.99 = 1,186.10/x
  3. Step 3: Cross multiply
    2,113.35x = 3,165.99 × 1,186.10
  4. Step 4: Simplify right side
    2,113.35x = 3,755,164.91
  5. Step 5: Solve for x
    x = 3,755,164.91/2,113.35
  6. Step 6: Final answer
    x = 1,776.88

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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.