Home / 2,801.01-3,861.29-1,959.09

Finding the Fourth Proportional to 2,801.01, 3,861.29 and 1,959.09

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Solution

The fourth proportional to 2,801.01, 3,861.29 and 1,959.09 is: 2,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.01 : 3,861.29 = 1,959.09 : x
  2. Step 2: Convert to fraction form
    2,801.01/3,861.29 = 1,959.09/x
  3. Step 3: Cross multiply
    2,801.01x = 3,861.29 × 1,959.09
  4. Step 4: Simplify right side
    2,801.01x = 7,564,604.83
  5. Step 5: Solve for x
    x = 7,564,604.83/2,801.01
  6. Step 6: Final answer
    x = 2,700.67

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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.