Home / 3,460.77-5,186.30-1,997.91

Finding the Fourth Proportional to 3,460.77, 5,186.30 and 1,997.91

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Solution

The fourth proportional to 3,460.77, 5,186.30 and 1,997.91 is: 2,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.77 : 5,186.30 = 1,997.91 : x
  2. Step 2: Convert to fraction form
    3,460.77/5,186.30 = 1,997.91/x
  3. Step 3: Cross multiply
    3,460.77x = 5,186.30 × 1,997.91
  4. Step 4: Simplify right side
    3,460.77x = 10,361,750.64
  5. Step 5: Solve for x
    x = 10,361,750.64/3,460.77
  6. Step 6: Final answer
    x = 2,994.06

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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.