Home / 3,431.40-4,734.96-2,535.62

Finding the Fourth Proportional to 3,431.40, 4,734.96 and 2,535.62

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Solution

The fourth proportional to 3,431.40, 4,734.96 and 2,535.62 is: 3,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.40 : 4,734.96 = 2,535.62 : x
  2. Step 2: Convert to fraction form
    3,431.40/4,734.96 = 2,535.62/x
  3. Step 3: Cross multiply
    3,431.40x = 4,734.96 × 2,535.62
  4. Step 4: Simplify right side
    3,431.40x = 12,006,035.60
  5. Step 5: Solve for x
    x = 12,006,035.60/3,431.40
  6. Step 6: Final answer
    x = 3,498.87

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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.