Home / 3,487.39-4,813.91-2,310.06

Finding the Fourth Proportional to 3,487.39, 4,813.91 and 2,310.06

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Solution

The fourth proportional to 3,487.39, 4,813.91 and 2,310.06 is: 3,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.39 : 4,813.91 = 2,310.06 : x
  2. Step 2: Convert to fraction form
    3,487.39/4,813.91 = 2,310.06/x
  3. Step 3: Cross multiply
    3,487.39x = 4,813.91 × 2,310.06
  4. Step 4: Simplify right side
    3,487.39x = 11,120,420.93
  5. Step 5: Solve for x
    x = 11,120,420.93/3,487.39
  6. Step 6: Final answer
    x = 3,188.75

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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.