Home / 3,185.07-4,776.55-1,518.26

Finding the Fourth Proportional to 3,185.07, 4,776.55 and 1,518.26

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Solution

The fourth proportional to 3,185.07, 4,776.55 and 1,518.26 is: 2,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.07 : 4,776.55 = 1,518.26 : x
  2. Step 2: Convert to fraction form
    3,185.07/4,776.55 = 1,518.26/x
  3. Step 3: Cross multiply
    3,185.07x = 4,776.55 × 1,518.26
  4. Step 4: Simplify right side
    3,185.07x = 7,252,046.13
  5. Step 5: Solve for x
    x = 7,252,046.13/3,185.07
  6. Step 6: Final answer
    x = 2,276.89

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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.