Home / 3,520.80-5,277.51-1,180.23

Finding the Fourth Proportional to 3,520.80, 5,277.51 and 1,180.23

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Solution

The fourth proportional to 3,520.80, 5,277.51 and 1,180.23 is: 1,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.80 : 5,277.51 = 1,180.23 : x
  2. Step 2: Convert to fraction form
    3,520.80/5,277.51 = 1,180.23/x
  3. Step 3: Cross multiply
    3,520.80x = 5,277.51 × 1,180.23
  4. Step 4: Simplify right side
    3,520.80x = 6,228,675.63
  5. Step 5: Solve for x
    x = 6,228,675.63/3,520.80
  6. Step 6: Final answer
    x = 1,769.11

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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.