Home / 2,160.23-3,241.25-1,284.41

Finding the Fourth Proportional to 2,160.23, 3,241.25 and 1,284.41

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Solution

The fourth proportional to 2,160.23, 3,241.25 and 1,284.41 is: 1,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.23 : 3,241.25 = 1,284.41 : x
  2. Step 2: Convert to fraction form
    2,160.23/3,241.25 = 1,284.41/x
  3. Step 3: Cross multiply
    2,160.23x = 3,241.25 × 1,284.41
  4. Step 4: Simplify right side
    2,160.23x = 4,163,080.92
  5. Step 5: Solve for x
    x = 4,163,080.92/2,160.23
  6. Step 6: Final answer
    x = 1,927.15

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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.