Home / 3,254.22-4,873.41-1,689.30

Finding the Fourth Proportional to 3,254.22, 4,873.41 and 1,689.30

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Solution

The fourth proportional to 3,254.22, 4,873.41 and 1,689.30 is: 2,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.22 : 4,873.41 = 1,689.30 : x
  2. Step 2: Convert to fraction form
    3,254.22/4,873.41 = 1,689.30/x
  3. Step 3: Cross multiply
    3,254.22x = 4,873.41 × 1,689.30
  4. Step 4: Simplify right side
    3,254.22x = 8,232,651.51
  5. Step 5: Solve for x
    x = 8,232,651.51/3,254.22
  6. Step 6: Final answer
    x = 2,529.84

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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.