Home / 2,763.77-4,147.20-1,302.92

Finding the Fourth Proportional to 2,763.77, 4,147.20 and 1,302.92

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Solution

The fourth proportional to 2,763.77, 4,147.20 and 1,302.92 is: 1,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.77 : 4,147.20 = 1,302.92 : x
  2. Step 2: Convert to fraction form
    2,763.77/4,147.20 = 1,302.92/x
  3. Step 3: Cross multiply
    2,763.77x = 4,147.20 × 1,302.92
  4. Step 4: Simplify right side
    2,763.77x = 5,403,469.82
  5. Step 5: Solve for x
    x = 5,403,469.82/2,763.77
  6. Step 6: Final answer
    x = 1,955.11

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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.