Home / 3,125.08-4,687.56-1,810.80

Finding the Fourth Proportional to 3,125.08, 4,687.56 and 1,810.80

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Solution

The fourth proportional to 3,125.08, 4,687.56 and 1,810.80 is: 2,716.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.08 : 4,687.56 = 1,810.80 : x
  2. Step 2: Convert to fraction form
    3,125.08/4,687.56 = 1,810.80/x
  3. Step 3: Cross multiply
    3,125.08x = 4,687.56 × 1,810.80
  4. Step 4: Simplify right side
    3,125.08x = 8,488,233.65
  5. Step 5: Solve for x
    x = 8,488,233.65/3,125.08
  6. Step 6: Final answer
    x = 2,716.17

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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.