Home / 3,230.19-4,459.32-2,705.31

Finding the Fourth Proportional to 3,230.19, 4,459.32 and 2,705.31

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Solution

The fourth proportional to 3,230.19, 4,459.32 and 2,705.31 is: 3,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.19 : 4,459.32 = 2,705.31 : x
  2. Step 2: Convert to fraction form
    3,230.19/4,459.32 = 2,705.31/x
  3. Step 3: Cross multiply
    3,230.19x = 4,459.32 × 2,705.31
  4. Step 4: Simplify right side
    3,230.19x = 12,063,842.99
  5. Step 5: Solve for x
    x = 12,063,842.99/3,230.19
  6. Step 6: Final answer
    x = 3,734.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.