Home / 3,249.21-4,875.01-1,690.29

Finding the Fourth Proportional to 3,249.21, 4,875.01 and 1,690.29

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Solution

The fourth proportional to 3,249.21, 4,875.01 and 1,690.29 is: 2,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.21 : 4,875.01 = 1,690.29 : x
  2. Step 2: Convert to fraction form
    3,249.21/4,875.01 = 1,690.29/x
  3. Step 3: Cross multiply
    3,249.21x = 4,875.01 × 1,690.29
  4. Step 4: Simplify right side
    3,249.21x = 8,240,194.89
  5. Step 5: Solve for x
    x = 8,240,194.89/3,249.21
  6. Step 6: Final answer
    x = 2,536.06

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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.