Home / 3,030.30-4,545.66-1,180.80

Finding the Fourth Proportional to 3,030.30, 4,545.66 and 1,180.80

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Solution

The fourth proportional to 3,030.30, 4,545.66 and 1,180.80 is: 1,771.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.30 : 4,545.66 = 1,180.80 : x
  2. Step 2: Convert to fraction form
    3,030.30/4,545.66 = 1,180.80/x
  3. Step 3: Cross multiply
    3,030.30x = 4,545.66 × 1,180.80
  4. Step 4: Simplify right side
    3,030.30x = 5,367,515.33
  5. Step 5: Solve for x
    x = 5,367,515.33/3,030.30
  6. Step 6: Final answer
    x = 1,771.28

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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.