Home / 3,414.70-4,709.76-2,087.32

Finding the Fourth Proportional to 3,414.70, 4,709.76 and 2,087.32

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Solution

The fourth proportional to 3,414.70, 4,709.76 and 2,087.32 is: 2,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.70 : 4,709.76 = 2,087.32 : x
  2. Step 2: Convert to fraction form
    3,414.70/4,709.76 = 2,087.32/x
  3. Step 3: Cross multiply
    3,414.70x = 4,709.76 × 2,087.32
  4. Step 4: Simplify right side
    3,414.70x = 9,830,776.24
  5. Step 5: Solve for x
    x = 9,830,776.24/3,414.70
  6. Step 6: Final answer
    x = 2,878.96

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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.