Home / 3,518.85-5,275.04-1,670.84

Finding the Fourth Proportional to 3,518.85, 5,275.04 and 1,670.84

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Solution

The fourth proportional to 3,518.85, 5,275.04 and 1,670.84 is: 2,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.85 : 5,275.04 = 1,670.84 : x
  2. Step 2: Convert to fraction form
    3,518.85/5,275.04 = 1,670.84/x
  3. Step 3: Cross multiply
    3,518.85x = 5,275.04 × 1,670.84
  4. Step 4: Simplify right side
    3,518.85x = 8,813,713.10
  5. Step 5: Solve for x
    x = 8,813,713.10/3,518.85
  6. Step 6: Final answer
    x = 2,504.71

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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.