Home / 3,170.12-4,776.83-2,605.64

Finding the Fourth Proportional to 3,170.12, 4,776.83 and 2,605.64

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Solution

The fourth proportional to 3,170.12, 4,776.83 and 2,605.64 is: 3,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.12 : 4,776.83 = 2,605.64 : x
  2. Step 2: Convert to fraction form
    3,170.12/4,776.83 = 2,605.64/x
  3. Step 3: Cross multiply
    3,170.12x = 4,776.83 × 2,605.64
  4. Step 4: Simplify right side
    3,170.12x = 12,446,699.32
  5. Step 5: Solve for x
    x = 12,446,699.32/3,170.12
  6. Step 6: Final answer
    x = 3,926.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.