Home / 3,430.98-4,735.96-2,086.61

Finding the Fourth Proportional to 3,430.98, 4,735.96 and 2,086.61

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Solution

The fourth proportional to 3,430.98, 4,735.96 and 2,086.61 is: 2,880.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.98 : 4,735.96 = 2,086.61 : x
  2. Step 2: Convert to fraction form
    3,430.98/4,735.96 = 2,086.61/x
  3. Step 3: Cross multiply
    3,430.98x = 4,735.96 × 2,086.61
  4. Step 4: Simplify right side
    3,430.98x = 9,882,072.60
  5. Step 5: Solve for x
    x = 9,882,072.60/3,430.98
  6. Step 6: Final answer
    x = 2,880.25

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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.