Home / 2,185.14-3,277.74-885.72

Finding the Fourth Proportional to 2,185.14, 3,277.74 and 885.72

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Solution

The fourth proportional to 2,185.14, 3,277.74 and 885.72 is: 1,328.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.14 : 3,277.74 = 885.72 : x
  2. Step 2: Convert to fraction form
    2,185.14/3,277.74 = 885.72/x
  3. Step 3: Cross multiply
    2,185.14x = 3,277.74 × 885.72
  4. Step 4: Simplify right side
    2,185.14x = 2,903,159.87
  5. Step 5: Solve for x
    x = 2,903,159.87/2,185.14
  6. Step 6: Final answer
    x = 1,328.59

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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.