Home / 2,160.33-3,240.54-1,615.97

Finding the Fourth Proportional to 2,160.33, 3,240.54 and 1,615.97

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Solution

The fourth proportional to 2,160.33, 3,240.54 and 1,615.97 is: 2,423.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160.33 : 3,240.54 = 1,615.97 : x
  2. Step 2: Convert to fraction form
    2,160.33/3,240.54 = 1,615.97/x
  3. Step 3: Cross multiply
    2,160.33x = 3,240.54 × 1,615.97
  4. Step 4: Simplify right side
    2,160.33x = 5,236,599.22
  5. Step 5: Solve for x
    x = 5,236,599.22/2,160.33
  6. Step 6: Final answer
    x = 2,423.99

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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.