Home / 2,808.50-4,202.88-2,066.45

Finding the Fourth Proportional to 2,808.50, 4,202.88 and 2,066.45

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Solution

The fourth proportional to 2,808.50, 4,202.88 and 2,066.45 is: 3,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808.50 : 4,202.88 = 2,066.45 : x
  2. Step 2: Convert to fraction form
    2,808.50/4,202.88 = 2,066.45/x
  3. Step 3: Cross multiply
    2,808.50x = 4,202.88 × 2,066.45
  4. Step 4: Simplify right side
    2,808.50x = 8,685,041.38
  5. Step 5: Solve for x
    x = 8,685,041.38/2,808.50
  6. Step 6: Final answer
    x = 3,092.41

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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.