Home / 3,515.13-4,847.04-2,666.25

Finding the Fourth Proportional to 3,515.13, 4,847.04 and 2,666.25

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Solution

The fourth proportional to 3,515.13, 4,847.04 and 2,666.25 is: 3,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.13 : 4,847.04 = 2,666.25 : x
  2. Step 2: Convert to fraction form
    3,515.13/4,847.04 = 2,666.25/x
  3. Step 3: Cross multiply
    3,515.13x = 4,847.04 × 2,666.25
  4. Step 4: Simplify right side
    3,515.13x = 12,923,420.40
  5. Step 5: Solve for x
    x = 12,923,420.40/3,515.13
  6. Step 6: Final answer
    x = 3,676.51

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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.