Home / 2,220.54-3,059.16-1,826.88

Finding the Fourth Proportional to 2,220.54, 3,059.16 and 1,826.88

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Solution

The fourth proportional to 2,220.54, 3,059.16 and 1,826.88 is: 2,516.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.54 : 3,059.16 = 1,826.88 : x
  2. Step 2: Convert to fraction form
    2,220.54/3,059.16 = 1,826.88/x
  3. Step 3: Cross multiply
    2,220.54x = 3,059.16 × 1,826.88
  4. Step 4: Simplify right side
    2,220.54x = 5,588,718.22
  5. Step 5: Solve for x
    x = 5,588,718.22/2,220.54
  6. Step 6: Final answer
    x = 2,516.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.